DLA MIL-F-8490 A-1958 FASTENER CASE FOR EQUIPMENT RACK SYSTEM IN AIRCRAFT《航空器支架系统弹药箱扣件》.pdf
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1、3-29- os- 1. SCOPE MIL-F-8490A (ASG) MILITARY SPECIFI-dTION FASTENER, CASE, FOR EyUIRIENT RACK SYSTBI IN AIRCRAFT This specification has been approved by the Department of the Air Force and by the Xavy C*:zoau o: Aeronautics. 1.1 This specification covers the detail requirements for one tyix of fast
2、ener used on cases for the equipment-rack system in aircraft. 2. APPLICABLE DOCUMENTS 2.1 The following publications, o; the issue in effe:t on date of invitation for bids, form a part of this specification to the extent specified herein: SPECIFICATIONS Fecieral W-A-318 4J-P-hlb PPP-8-56 PPP-EL5 cl5
3、 PPP-B-591 PPP-B-601 PPP-A421 PPP-B-636 PPP-B-676 PPP-T-O Aluminum Alloy 52s; Plate ard Sheet Plating, Cadr.ium (Electrodepxited) Ekxes, Folding, Paperboard Boxes, Wo P.ipmbr, ;) _I I a Test hletlwis P!ilitary 1 MILSTO-105 KIL-STD-129 Samlin- Proceaures ailrocilring acsivity or as directed by the co
4、ntractins officer.) 2.2 Oti;er nub1ications.- Tire follcnin; docui?rnt forrs a ?art uf t:ils sxcification. Cnlxs o:.cnrise indicated, tlie issne in effect on date of invitation for bids shall a?pl; Hational Bureau of Standards Handbook H2d - Screw T:;rcad Stanuardc for Federal Services (A .,lc;tion
5、. - for copies s!iOula be adrexed to t:e Saperintendent of Docur.rnts, Go-fermnt in:inu Office, Washinson 25, D. C.) - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-F-8Ll90A 53 m 7799706 O098929 5 m I _L I .n ! A- l “ A - . - . . -. . Provide
6、d by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-8470A 53 7777706 0078730 L - 3.3.2 repuxiients Of this screvdriver slot shall be parallel to the lon- axis of the nut-strip uhen in the locked position. The stud sidi be nositively iinlocked at 90 of rot
7、ation in the counter clockwiss direction and screwdriver slot sLA-be perpendicular to the long axis of the nut-strip. A positive lock and unlock shall be present in the fastener assembly when the stud ir not inserted in the nut-strip. Fastener asserlb1 .- Desi A positive stop shall be provided to pr
8、event the stud from being of ful.lock and full- unlock. 3.3.6 3.4 Screw threads.- Screw threads shall be in accordance with Handbook H2a and figures 1 and 2. cation Q,-PKClass B, Type II, black. Wime aluminum or aluuinumalloy parts are used they shall lm covered with an anodic film in accordance wit
9、h S.xcFfication KIL-A-6% except wlim othexnise tipecfied. Finish.- Parts of steel shall be cadmium plated in accordance with Specifi- 3.5 Interchangeability.- All parts having the same nanufacturers part, nwber shall be directly and cor.iplstely interchangeable *with each other with respect to insta
10、llation and perforunce. hood siid remain vithin the Outline dinsnSiOM Of the fastenet useaibly 8houn On figura 2. conom to he diripruiom on ri- :. With tho fartoner in tho locipd position, the acretutriver slot rtiai be in line *fitit tim long air of ttw nut-rtiip. 3.6 3.7 Pasteimr stud head.- With
11、the fastoner stud unlocked, ths top surface of the Screwdrivrr riot.- The sc.*wriver riot in the fostmu rtud hoad alinil Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-F-8Ll70A 53 7779706 0078731 3 m I L _- .281 $-a HIN RAD 3/16 - 30 IIS-U SBXT
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