1、FEDERAL SPECIFICATION PINS, COTTER (SPLIT) March 10. 1971 SUPERSEDING Fed. Spec. FF-P-386C This specification ras approved by the Comissioner, Federal Supply Service, General Services Administration, for the use of all Federal agencies. 1. SCOPE AND CLASSIEICATION 1.1 Scope. This specification cover
2、s split cotter pins, 1.2 Classification. 1.2.1 mes and classes. The cotter pins shall be of the following types and classes, as specified: Pype A - Brass. Pype B - Steel. Class 1 - Phosphate coated. Class 2 - Zinc coated. Class 3 - Cadmium plated. Class 4 - Uncoated. Pype C - Chromium-nickel corrosi
3、on-resisting steel. Type D - Nickel-copper alloy. 2. APPLICABLE DOCUMEUTS 2.1 The following documents, of the issues in effect on date of invitation for bids or request for proposal, form a part of the specification to the extent specified herein. Federal Specifications : QQ-B-613 - Brass, Leaded an
4、d Nonleaded: Flat Products (Plate, Bar, Sheet, and Skip). QQ-N-281 - Nickel-Copper-Alloy Bar, Plate, Rod, Sheet, Strip, Wire, Forgings, and Structural and Special Shaped Sections. QGP-35 - Passivation Treatments for Austenitic, Ferritic, and Martensitic Corrosion- Resisting Steel (Fastening Devices)
5、. QQ-P-416 - Plating, Cadmium (Rectrodeposited) , QQ-Z-325 - Zinc Coating, Rectrodeposited, Requirements for. O ,o i Federal Standards: Fed. Std. No. 66 - Steel: Chemical Composition and Hardenabilifg. Fed. SM, No. 123 - Marking for Domestic Shipment (Civil Agencies). Fed. Test Method SM. No. 151 -
6、Metals; Test Methods. I (Activities outside the Federal Government may obtain copies of Federal Specifications, S”ds, and Handbooks as outlined under General. Information in the Index of Federal Specifications and Stand- ards and at the prices indicated in the Index. The index, which included cumula
7、tive monthly supple- ments as issued, is for sale on a subscriptive basis by the Superintendent of Documents, US. Gov- I ement Printing Office, Waskhgton, DC 20,402. (Single copies of this specification and other product specifications required by activities out or of steel having the following chem
8、ical composition: Percent. maximum Carbon 0.15 Maganese Phosphorous Sulphur 3.1.4 Nickel-comer alloy (monel). !. Samples for Inspection of Packaging and Packing shall be in accordance with MIL-H-3982. 4.5 Examination of product. 4.5.1 Visual and dimensional examination. Sample cotter pins shall be e
9、xamined to verify com- pliance wit% the requirements of this specification as stated in 4.5.3. gages and measuring instruments. Gaging of cotter pins shall be in accordance wiht ANSI B5.20. O 4.5.2 G;wing. Unless otherwise specified (see 6.2) the supplier shall make available the necessary 4.5.3 Cla
10、ssification of defects. The ATm wenw, k addition -bo special markings rewred by the contract or order, interior packages and exterior shipping containers shall be marked in accordance with the require- ments of MIL-H-3982 or MILSTD-13. 6. NOTES 6.1 Intended use. Cotter pins specified herein are inte
11、nded for use as fastening or safety devices. 6.2 Grd6rjnv data. Purchasers should select the preferred options permitted herein and include the following information in procurement documenta: Title, number, and date of this specification, Title, MS number and part number and part number of applicabl
12、e military SM&, Type and class required (see 1.2.1). Material, condition and composition required (see 3 .I) e Type of brass required if other than as specified (see 3.1 .I), Protective finish, when required (see 3.2). When type C cotter pins shall be hardened (see 3.3). Size and length required (se
13、e 3.4) SQle of pin and elad required (see 3.4). Availability of gages, when required (see 4.5.2). If certificate of conformance is acceptable for chemical analysis (see 4.6.3). Selection of applicable levels of preservation, packaging, packing required (see 5.1). 6.3 Xlitary procurement. Items procu
14、red mer this specification for militmy use are to be limited 4x1 the varieties deineated within this specification and on the applicable military standard (see 3.4). Personnel of the military departments are requested to refer to these documents for guidance. 6 Provided by IHSNot for ResaleNo reprod
15、uction or networking permitted without license from IHS-,-,-O O O O FF-P-386D “ EMD STYLES * EXTENDED MITRE END MITRE END SQUARE CUT t- “ BEVEL POWT WMWER LOCK UilSEL PCMNT NOMINAL SIZE OR BASIC PIN DIAMETER 1/32 0.031 3/64 .O47 5/64 .O78 1/16 ,062 3/32 ,094 7/64 .lo9 :$E4 .141 .125 5/32 .156 3/16 .
16、188 7/32 ,219 :$:6 .312 .250 if816 .438 .375 :$i .625 .500 3/4 ,750 A TOTAL SHANK DIAMETER MAX O .O32 ,048 .O60 .O76 .o90 .lo4 .134 .120 .150 .176 .207 .225 .280 ,335 .406 .473 .598 .723 Figure MIN 0.028 .O44 .O72 . O56 .O86 .loo .116 .130 ,146 .172 .202 .22d .275 .329 ,400 .467 .715 ,590 SQUARE CUT
17、, EXTEkJED EM 1 DIAMETER DIMENSIONS B HEAD DIAMETER MIN O .O6 . o9 .12 .16 .19 .22 .28 .25 .31 .38 .44 .50 .62 .75 1 .o0 .8% 1.25 1.50 W1 W1 MAX O .O32 .O48 .O76 .O60 .o90 .lo4 .120 .134 .150 .176 .207 .225 .280 .335 .406 .473 ,598 ,723 E TH MIN o .o22 .O35 .O44 .O57 .O69 . O80 .O93 ,104 .116 .137 .
18、161 .176, .220 ,263 .373 .3 20 .472 .572 T D EXTENDED LENGTH PRONG o .o1 .o2 .O3 .O4 .O4 .O5 .O6 .O6 .O7 * o9 .10 .ll .14 .16 .20 .23 .30 .36 L SPLIT COTTER PINS. * Not a preferred size. Do not use for new design. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license
19、 from IHS-,-,-MILI!CARY CUSTODIANS: Arqy - WC Navy - OS Air Force - 82 Review activities : -. - AT, CE, GL, MU Navy - X0 Air Force - None DSA-IS User activities : - EL, ME, MI Navy - AS, MC, SH Air Force - None NSA Pre-mring activiQ: Aqy - WC “ “ Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
