IIE!@El MIL-R-24243C AMENDMENT 1 30 SEPTEMBER 1994 MILITARY SPECIFICATION RIVETS, BLIND, NONSTRUCTURAL, RETAINED MANDREL GENEML SPECIFICATION FOR This amendment forms apart of MIL-R-24243C, dated 22 June 1994, and is approved for use by all Departments and Agencies of the Department of Defense. PAGE 5 In TABLE I under MIL-R-24243/3 SYMBOL D change: “Mandrel: 1030-1038 Steel (UNS G103OO-G1O38O)” custodians: Arnly-AR Navy - AS Air Force -99 Review Activities: Army - AV, Ml Air Force -82 National Security Ageney - NS to read “Mandrel: 1030-1060 Steel (UNS G103OO-G1O6OO)” Preparing Activity: DLA -IS (Project No. 5320-0821) lofl AMSC N/A DISTRIBUTION STATEMENT A: Approved for public release: distribution is unlimited. FSC 5320 IINCH-POUND [ MIL-R-24243C SUPPLEMENT 1 22 JUNE 1994 MILITARY RIVETS, This supplement MIL-R-24243/l MIL-R-24243/2 MIL-R-24243/3 MIL-R-24243/4 MIL-R-24243/5 MIL-R-24243/6 MIL-R-24243/7 MIL-R-24243/8 MIL-R-24243/9 MIL-R-24243/10 SPECIFICATION BLIND, NONSTRUCTUR?UI, RETAINED GENERAL SPECIFICATION FOR forms a part of MIL-R-24243C dated MANDREL 21 September 1987. Rivets, Blind, Nonstructural, Retained Mandrel; Open-End, Domed Head; Aluminum Alloy, Carbon Steel, CorrosionResistant Steel. Rivets, Blind, Nonstructural, Retained Mandrel; Open-End, Domed Head; Nickel-Copper Alloy Rivets, Blind, Nonstructural, Retained Mandrel; Open-End, Large Domed Head; Aluminum Alloy, Carbon Steel Rivets, Blind, Nonstructural, Retained Mandrel; Open-End, 100° Countersunk Head; Aluminum Alloy Rivets, Blind, Nonstructural, Retained Mandrel; Open-End, 120° Countersunk Head; Aluminum Alloy, Carbon Steel, Nickel-Copper Alloy Rivets, Blind, Nonstructural, Retained Mandrel; Closed-End Domed Head; Aluminum ~loy Rivets, Blind, Nonstructural, Retained Mandrel; Closed-End, 120° Countersunk Head; Aluminum Alloy Rivets, Blind, Nonstructural, Retained Mandrel; Open-End Snap Head; Aluminum Alloy Rivets, Blind, Nonstructural, Retained Mandrel; Open-End, 120° Countersunk Head; Aluminum Alloy Rivets, Blind, Nonstructural, Retained Mandrel; Open-End Domed Head; Aluminum ~loy Preparing Activity: DLA- IS (Project 5320-0809-11) AMSC N/A ~. unlimited. Approved for public release; FSC 5320 distribution is I INCH- POUND I MIL-R-24243C L SUPERSEDING MIL-R-24243B 21 September MILITARY RIVETS , BLIND, This SPECIFICATION NONSTRUCTURAL, GENERAL 1987 RETAINED SPECIFICATION MANDREL FOR specification is approved for use by al 1 Departments and Agencies of the Department of Defense. 1. SCOPE for pull-stem covers the requirements 1.1 S.CQlX2. This specification Each rivet consists of a body assembled on a mandrel expandable blind rivets. available to one side only. for fastening where access is in the head stYlest Lon,. Rivets shall be furnished 1.2 as specified in the applicable and open or closed-end, material combinations, specification sheet (see 3.1) . 2. APPLICABLE 2.1 * Government DOCUMENTS documents. Unless otherwise specified, issues ons and staQ&@& 2.1.1 of referenced documents are those in effect at the time of solicitation. Information regarding the latest issue of government documents and adopted non-government documents can be obtained from the Department of Defense Index of Specifications and standards. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Defense Industrial Supply Center, 700 Robbins Avenue, DISC-EPP, Philadelphia, PA 19111-5096 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. ---- AMSC DA ~ N/A 1 of 12 . Approved for public FSC release: 5320 distribution is unlimited. MIL-R-24243C SPECIFICATI’ONS FEDERAL Aluminum Allc~y Rod and Wire; For Rivets and Cold }{eading Nir:kel-CoppeL- Alloy Bal-, Plate, Rod, Sheet, Strip, Wire, Forgir~qs al~d Str!lrtural and Special Slldped Sections P~ssivatio!] Tr(at.mc’rlLsfo~ Austt>r~itic, lJe~ritic ~llld Mi~~tensit.i’ I’tjL-LCJSi, n k(:sistant .Steel (Fast~Jnirlg QQ-A-430 QQ-N-281 QQ-P-35 Devices) Wilf, Steel, (:arbon, (High (:a~bt~n, Roun(i, fur Me’l]~l\ic~l Springs (;ci]cLal Purpose) QQ-W-42F? MILITARY MIL-C-5541 MILA-8625 ~(>D.p.16~3~ ‘See Supplement 1 for Chemical ~ollvel’sio]l(’oatings @n Aluminum dnci Alumillum Al 10YS Anodi<: Contingn, fol- Aluminum a]ld Aluminum Allvys P]losplkitc [:oatings, Heavy, Mdng;inese or Zin(: Base (F’01 FeL-I-OUSMetals) list of associated specifications) :;TANDARD.~ MILITARY MII,-STD 105 MIL-STD-1312-8 MIL-STD-1312-20 Sampling Procedures and tables f’or Inspection by Attributes - Fastener Test Methods-Metl~od 8, ‘Tensile Stl-engt]l - Fastene~’ Test Metllods-MethtJd 20, Single SIlear standards, handbooks, drawings, public:ltl~>rls,~rlc~ (Copies of specifications, ,ot.herGovel-nmerlL documents required by contractors in connection wit.]]speuii i[, dr’qu isit ion fur]ctions s}luuld be obtained from the contla~t ing ;~ctivi(y c~~ ,1:; diLected by the contracting activity. ) * 2.2 Other D~lblications. Unless othe~wise specified, issues of ~efelerlced documents are those in effect at tl]e time of solicitation. Information regarding the latest issue of non-government documents not ad(pted by the government r,an be obtained fl-om L1]C organization responsible foI- tt]eir publication. MIL-R-24243C ● ASTM A167 ASTM A313 ASTM A493 ASTM A51O Stainless and Heat-Resisting Chromium-Nickel Steel plate, Sheet, and Strip Chromium-Nickel Stainless and Heat-Resisting Steel Spring Wire Stainless and Heat-Resisting Steel Wire and Wire Rods for- Cold Heading and Cold Forging General Requirements for Wire Rods and Coarse Round Wire, Carbon Steel Stainless and Heat-Resisting Steel Wire Electrodeposited Coatings of Zinc on Iron and Steel Aluminum and Aluminum-Alloy Bar, Rod, and Wire Standard Practice for Commercial Packaging ASTM A580 AS’ITIB633 ASTM B211 ASTM D3951 (Application for copies should be addressed 19103-1187) Street, Philadelphia, PA to the ASTM, 1916 Race are normally available (Non-government standards and other publications from ~he organizations which prepare or which distribute the documents. These documents also may be available in or through libraries or other l~lfo~rnational se~-vices. ) In the event of a conflict between the text of 2,3 Order of precedence this specification and the references cited herein (except for associated specification sheets or MS standards) , the text of detail specifications, Nothing in this specification, this specification shall take precedence. laws and regulations unless a specific however, shall supersede applicable exemption has been obtained. 3. REQUIREMENTS ,. 3.1 shee s. The individual item requirements shall be as SQeclflcation specified hel-ein and in accordance with the applicable specification sheets. In the event of any conflict. between requirements of this specification and the specification sheets, the latter shall govern. 3.2 ,~nd mandrels as specified 3.2.1 als. The materials used shall be such as to produce bodies in compliance with the l-equirements of this specifi<:at.ion and in the applicable specification sheet and Table I. Aluminum 3.2.1.1 Type aluminum alloys * 3.2.1.2 applicable allo~~ 1100 (UNS A911OO), 5052 (UNS A95052), and 5056 (UNS A95056) shall conform to the applicable requirements of QQ-A-430. Type 2024 (UNS A92024) aluminum requirements of ASTM B211. 3.2.2 Ca rbon s~e el_ Carbon steel applicable specification sheet. shall .- 3 alloy shall conform be of the grade to the required by the MIL-R-24243C * Ca~-bon steel wire. Carbon steel wire employed in the fabrication 3.2.3 of mandrels shall conform to the requirements of ASTM A51O or QQ-W-428 as necessary to install rivet bodies to meet the applicable strength ~-equirements of Table I. Nickel-coDD er allov. Nickel-copper 3.2.4 accordance with Class A of QQ-N-281. * TABLE SYMBOL I. MATERIAL MATERIAL COMBINATION A 1 (Open-End, Domed Head) Body : 5056 Al Alloy (UNS A95056) Mandrel: 1006-1038 Steel (UNS G1OO6O-G1O38O) Body : 5052 Al Alloy Mandrel: (UNS A95052) 2024 Al Alloy (UNS A92024) B Body : D Mandrel: 1006-1010 Steel (UNS G1OO6O-G1O1OO 1030-1060 Steel (UNS G103OO-G1O6OO Body : ● F Mandrel: Body : ☛ shall be in SYMBOLS COMBINATION 1 MIL-R-24243/l ☛ bodies Corrosion resistant steel. Corrosion resistant steel employed il] 3.2.5 the manufacture of bodies and mandrels shall be of the type specified in the applicable specification sheet and in accordance with ASTM A493, ASTM A167, ASTM A580 or ASTM A313 at the supplier’s option. * ● alloy G Mandrel: 302 CRES (UNS S30200) 302-HQ-CRES (UNS S30430) 305 CRES (UNS S30500) 305-431 CRES (UNS S305OO-S431OO) 302 CRES (UNS S30200) 302-HQ-CRES (UNS S30430) 305 CRES (UNS S30500) 1030-1060 Steel (UNS G103OO-G1O6OO) RIVET DIA 1 MINIMUM SHEAR LOAD LBS 1 .094 .125 .156 .188 .250 90 170 260 380 700 120 220 350 500 920 .094 .125 .156 .188 70 120 190 260 80 150 230 320 .094 .125 .156 .188 .250 130 260 370 540 000 170 310 470 680 1240 .125 420 530 .188 950 1200 .125 420 530 .188 950 1200 I 4 MINIMUM TENSION LOAD LBS MIL-R-24243C TABLE ~ I. ~~ - CONTINUED SYMBOL MIL-R-24243]2 E MIL-R-24243/3 A B D MIL-R-24243/ MATERIAL COMBINATION (Open-End, Domed Head) Nickel Copper Alloy Body : (UNS N04400) Mandrel: 1030-1060 Steel (UNS G103OO-G1O6OO) (ODen End, Larqe Domed Head) . 5056 Al Alloy Body : (UNS A95056) Mandrel: 1006-1038 Steel (UNS G1OO6O-G1O38O) 5052 Al Alloy Body : (UNS A95052) Mandrel: 2024 Al Alloy (UNS A92024) 1006-1010 Steel Body : (UNs G1OO6O-G1O1OO) Mandrel: 1030-1038 Steel (UNS G103OO-G1O38O) (Open End, 100° Countersunk Head) A Mandrel: MINIMUM TENSION LOAD LBS MINIMUM SHEAR LOAD LBS . RIVET DIA .125 .156 .188 .250 350 550 800 1400 450 700 1000 1850 .125 170 220 .188 380 500 .125 120 150 .188 260 320 260 310 .188 540 680 .125 170 220 .125 – (UNS A95056) 1006-1038 Steel (UNS G1OO6O-G1O38O) .125 B Mandrel: MIL-R-24243/5 A B D E (UNS A95052) 2024 Al Alloy (UNS A92024) 1 (Open End, 120° Countersunk Head) Body : 5056 Al A~~oy (UNS A95056) Mandrel: 1006-1038 Steel (WS G1OO6O-G1O38O) Body : 5052 Al Alloy (UIS A95052) Mandrel: 2024 Al Alloy (UNS A92024) Body : 1006-1010 Steel (UNs G1OO6O-G1O1OO) Mandrel: 1030-1060 Steel (UNS G103OO-G1O6OO) Body : Nickel-Copper Alloy (UNS N04400) Mandrel: 1030-1060 Steel (UNS G103OO-G1O6OO) 5 I .125 .156 .188 170 260 380 220 350 500 .125 120 150 .125 260 310 + .125 .156 .188 , 350 450 MIL-R-24243C TABLE SYMBOL MIL-R-24243/6 A c VIL-R-24243/ MATERIAL Mandrel: A - CONTINUED (LJNS A95056) 1012-1025 (UNS G1012O-G1O25O) 1045-1075 Steel (UNs G1045O-G1O75O) 7 (Closed-End, 120° Countersunk Body : 5056 Al. Alloy (UNS A95056) Mandrel: 1012-1025 (UNS G1012O-G1O25O) 1045-1075 Steel MIL-R-24243/7 A MINIMUM SHEAR LOAD LBS RIVET DIA COMBINATION (Closed-End, Domed Head, Hollow 5056 Al. Alloy Body : (LJ’NsA95056) Mandrel: 1012-1025 (LJNS G1012O-G1O25O) 1045-1075 Steel (UNs G1045O-G1O75O) 11OO Al. Alloy Body : (UNS A911OO) Mandrel: 2024 Al. Alloy (UNS A92024) 6 (Closed-End, Domed Head, Filled Body : 5056 Al. Alloy A YIL-R-24243/ I. ~ (UNs G1045O-G1O75O) (Closed-End, 120° Countersunk Body : 5056 Al. Alloy (UNS A95056) Mandrel: 1012-1025 (UNS G1012O-G1O25O) 1045-1075 Steel (UNs G1045O-G1O75O) MIL-R-24243/8 (Open-End, Snap Head) Body : 5052 Al. Alloy A (UNS A95052) Mandrel: 1016-1025 Steel (UNS G1016O-G1O25O) MINIMUM TENSION LOAD LBS Core) .125 240 280 .156 .188 350 500 480 690 .250 .125 900 100 1100 110 .156 .188 Core) 130 210 160 250 .125 320 280 .156 .188 590 790 480 690 Head, Hol low Core) .125 240 .156 .188 Head, 350 500 Filled 280 480 690 Core) .125 320 335 .156 .188 590 790 525 680 .125 165 230 156 :188 255 345 375 525 —- 6 MIL-R-24243C TABLE ● I. * A MIL-R-24243/10 * Surface MINIMUM TENSION LOAD LBS Head) (Open-End, Domed Head) Body : 5052 Al. Alloy Mandrel: MINIMUM SHEAR LOAD LBS RIVET DIA COMBINATION (Open-End, 120° Countersunk 5052 Al. A~~oy Body : (UNS A95052) Mandrel: 1016-1025 Steel (UNS G1016O-G1O25O) A 3.3 - coN’rI~E~ MATERIAL SYMBOL MIL-R-24243/9 ~ (UNS A95052) 1016-1025 Steel (UNS G1016O-G1O25O) .125 155 205 .156 .188 225 350 300 530 .125 165 230 156 :188 255 345 375 525 . fwsh, + 3.3.1 AIu minum allov rl vets. Aluminum alloy rivets shall be furnished or anodically treated in chemically treated in accordance with MIL-c-5541, No finish is required at the supplier’s option. accordance with MIL-A-8625, for closed-end rivets. * Carbon steel bodies and mandrels 3.3.2 shall be zinc plated in accordance with ASTM B633 Type II, FE/ZN5, or phosphate coated in accordance with Type Z, Class 2 or 4B of DOD-P-16232, as specified (see 3.1). No finish is required for closed end rivets. L alloy bodies 3.3.3 Nickel--coDDer alloy bodies. Nickel-copper zinc plated in accordance with ASTM B633 Type II, FE/ZN5. * 3.3.4 Corrosion in accordance with resistant steel bodies and mandrels QQ-P-35, Type VI or VII. 3.4 Fastener QzmzLruction. applicable specification sheet. assembly shall shall shall be be passivated be as specified in the .3.4.1 Rivets shall consist of two parts, a body and a mandrel assembled In combination as specified on the applicable specification sheet (see 6.2) 3.4,2 Rivet bodies action of the mandrel 3.4.3 sheet . Dimensions shall be capable of being expanded mechanically by the when pulled into the rivet body as shown on Figure 1 shall be as specified in the applicable specification 3.4.4 ~trenqth, Single shear and tension load capabilities ~-ivets shall not be less than specified in Table I. of installed 3.5 Rivets shall M?xlmansk@. inj~lrious seams and other injurious free be of uniform defects. quality and from .— MIL-R-24243C 4. QIJALITY ASSURANCE PR’(YJISIONS Respor]sibilitv for inspection. Unless otherwise specified in tl~e 4.1 is responsible for the c:ontrac~ or pul-~:}laseol-der, the contractor Except as perform~nce of all inspection requil-ements as specified herein. may use his own ottlr, ]-wist,specified in the cor~tr~(<t or order, the contractor 01 any other facilities suitable for El]e performance of the inspection The unless disapproved by the Government. Iequirernents specified hc’l”eirl, set fo~-tllin Guvclnment reserves the right to perfor’rniiny of the inspections illspertions are deemed necessary to as:;u~’e tile spccific~t.icn whe~-cmS\]f:ll %~]~,plit:sand services confu~ln to p~’escribe(i requirements. All itelns must meet all 4.1.1 Resl~onsibilitv foK romnliancc. Ir{?quil-emerlts of ser-tions 3 and 5. Tile inspection set forth in this overall inspection :;p~=ci f i~~t ion shall ber[~mt> ~ part of the contractor’s any inspectioll requirements i[l system CL qudlity progL-arn, The dbserrre of Lllc ~;F)(>C:ifiration ~;l]allnot relieve the contractor of the ~-esponsibility of assu~il]g that all supplies submitted (.c)the Government for acceptance comply will} dl 1 l-eq(]irel[[ent :; of th~ contrac~ Sanlpling in quality conformance does riot ,iutt].lize submission of known defective material, either indicated or Clf’tl)dl , 1101 does it cormnit the Govt~I]meI~t t.c accept~nce of defective Ill<]t[,lial (h]alitv c’[)rrl(orrr 4.2 ~flr~ inspert ior). ~)llalityconformance irl Table 11. sl’!illtt= is spcrificd TABLE II. QIJAI,ITY CONFORMANCE INSPECTION REQUIREMENT PARAGRAPH 3.4.3 3.3 3.3.4 3.4.4 3.4.4 Dilnensiorls Protective Su~-face Sul-face Tredtrrlent Single She~r Tel]sion inspec’tiorrs INSPECTION EXAMINATION OR TEST PARAGRAPH 4.2.3 4.3.3 4.3.4 4.3.1.1 4.3.1.2 4..?.1 Inspection lot. An inspection lot shall consist of rivet body and [[idr)dlelasselnblies of tile :;dlne mdterial, finis]] and nominal size produced by rllc same n[~n~]f,lcture~und(’~-essentially the same conditions and submitted fo~- acceptance at one time. 4.2.2 Rejected lots. If an inspection lot is ~-ejected, the rewolk it to correct the defects, OF screen Out the defective resubmit for inspection. Resubmitted lots shall be inspected tiqhtened inspection. Such lots shall be separated from new be rlearly identified as ~einspected lots. * 4.2.3 SamDlinq fOr vis~lal & dimensional body an.i mdn~lL-el assemblies sh~ll be takrn MIL-ST})-1O5 ds follows: 14aju~ - Inspection Level S3 Mlrrol- Inspr~;tiun I,evel S2 Acceptance . 200 Rejertion . 1 8 contractor may units, and using lots, and shall examination, A random sample of fl-om eacl] lot in accordance with MIL-R-24243C * 4.2.4 strength and tension loads Inspection Level S-2. shall Sampling for shear with MIL-STD-105 at and t~ be in accordance L ectlo~ 4.3 * * Sample assemblies selected 4.3.1 with 4.2.4 compliance shall be tested as specified in 4.3.1.1 with Table I of this specification. 4.3.1.1 accordance .Sinule shear la with Test Method The shear test shall 20 of MIL-STD-1312, in accordance and 4.3.1.2 to assure be performed in or equivalent. The tension test shall be performed 10A 4.3.1.2 Tens ti with Test Method 8 of MIL-STD-1312, or equivalent. in accordance ination. Samples of rivets shall be 4.3.2 Visual and dimeni i Examination shall specification. examined to verify conformance with this be conducted in accordance with Table III. TABLE ON OF DEl?KllS 111. L None Critical Major * 201 202 203 204 205 of rivet body (3.5) Diameter of rivet head (3.4) Length of rivet body Thickness of rivet body head (3.4) Diameter of mandrel (3.4) Radius under head (where applicable) (3.4) Length of mandrel (3.4) Angle of rivet head (where applicable) (3.4) Protective finish and surface treatment missing or incomplete (as applicable) (3.3) Workmanship (3.5) 206 207 208 209 3 / ~u,~,tt,=~~~=~ Pnmm’-.o<o< .1 Al defined Diameter 101 Minor * INSPECTI ON METHOD DEFECT CATEGORY T“c.,c,mt<fin L.,apcLLAuAL CIE 1/ CIE CIE CIE CIE CIE CIE CIE Visual Visual U,-.,,;-mA-t lLyuLpttkcA.L 4.3.3 ~ective finish. Samples of aluminum alloy, carbon steel and nickel-copper bodies and/or mandrels, shall be inspected for adequacy of protective finish in accordance with applicable specification of 3.3. 4.3.4 surface tr~tmentSamples of corrosion resistant mand~-els , shall be passivated as specified in 3 3 .4 . L 1 9 steel bodies and MIL-R-24243C I. ~ .L PI&I~L-iddIELEC~ Materials inspections shall consist of certification supported by verifying data that the materials used in fabricating tile bed>, ax]d mandrel assemblies are in accordance with the requirements of 3 2, prior to such fabrication, 5. PACKAGING * The requirements 5.1 Packaaing reauirement~ accordance with ASTM D3951 (see 6.2) . for packaging shall be in 6. NOTES Rivets required by this specification are 6.1 late nded U.e as shown on Figure ~-apid and permanent fastenings substantially setting tools may be manually or power operated. intended fo~ Rivet 1. 6.1,1 In general, these rivets are used to fasten metal to metal, wood to Typical nonstructural applications are as follows: metal , and plastics to metal. Attachments such as for handles, hinges, brackets and clips; lockers such as for food and clothes; bins, metal furniture, racks, shelves; assembly of tube sockets boxes, and terminal boards; fastening conduit clips, raceways, electrical distribution panels; fastening siqns, bulletin boards, and safety guards around equipment ; installing light fixture mounting brackets; repair of light sheet metal equipment 6.1.2 Clo:;ed-end rivets are intended for application (under the most optimum conditions, I.e., proper hole size, grip length and over coated with sealant, etc. ) where gas, oil, water or air tightness is required. 6.1.3 These rivets are not intended rivets, see MIL-STD-1515, ~-equirements 6.2 Drd erinq 6.2.1 Acquisition (a) * + Fol- aerospace usage. data, Title, requirements number, specification * for aerospace 2 and 3. (b) Applicable (c) Level should and date specify the following: of this specificatj.on sheet (see 3.1) part and specification (degree) of protection in accordance numbe~-. with 6.2.2 ~]isition of xlvet.. manufactured wrlor to isifi~v~ Unless otherwise specified, Revision C is applicable to rivets (DATE) . 6.3 Subject term applicable sheet, (Key Word) listing. Blind Fastener Rivet, Blind Rivet, Blind, Nonstructural . 10 ASTM D3951. manufactured ~ after MIL-R-24243C ● The margins of this specification are fr~ 6.4 marked with asterisks to indicate where changes (additions, modifications, This was done as deletions) from the previous issue were made. corrections, a convenience only and the Government assumes no liability whatsoever for Bidders and contractors are cautioned any inaccuracies in these notations. of this document based on the entire content to evaluate the requirements to the last previous irrespective of the marginal notations and relationship issue . rmu[[)HIA7 SNAP H[M COUNl[R$llhK HIAD ● Ii pw#- L (:10S! 1) [ ND WIT, lowCOR[ I{(): couNlr RSUNKHMO dir W \ FIGURE 1. sRm 11 .— - MIL-R-24243C — Custodians : Army - AR Navy - AS Air Force Preparing DLA-IS Activity: (Project 5320-0809) - 99 Review Activities: Army - AV, MI Air Force - 82 User Activities: National Security Agency -NS — 12