1、MIL-F-63070A 13 3793306 03LI3i.172 7 . . MIL-F-63090A(AR) SUPERSEDING MIL-F-63090(PA) 13 September 1976 21 April 1981 MILITARY SPECIFICATION . FIRING DEVICE, MULTI-PURPOSE, M142 PARTS, ASSEMBLY, AND PACKING This specification is approved for use by the U.S. Army Armament Research and Development Con
2、unand and is available for use by all Departments and Agencies of the Department of Defense. 1, SCOPE 1.1 This specification covers the loading, assembling and packing for one type of firing device, designated as Firing Device, Multi-Purpose, M142. 2. APPLICABLE DOCUMENTS 2.1 The following documents
3、 of the issue in effect on date of invitation for bids, or request for proposals, form a part of this specification to the extent specified herein. SPECIFICATIONS MILITARY MIL-P-20444 - MIL-A-48078 - STANDARDS MILITARY MIL-STD-105 - Primer, Percussion, M42,.Parts For And Loading Assembly And Packing
4、 Anmiunition, Standard Quality Assurance Provisions, General Specification For Sampling Procedures And Tables For Inspections By Attributes FSC: 1375 R Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-63090A 13 m 7999906 0343473 9 m MIL-F-63090A
5、(AR) DRAWINGS U.S. ARKy ARMAMENT RESEARCH AND DEVELOPMENT COMMAND (ARRADCOM) 9296865 - Firing Device, Demo Multi-Purpose M142 9311141 - Packing And Marking For Box Ammunition, M19A1, With Firing Device, Demolition, Multi-Purpose, M142 9311138 - Packing And Marking For Box, Wood, Wirebound For Boxes,
6、 Amnunition, M19A1 U.S. ARMY MATERIEL DEVELOPMENT AND READINESS COMMAND (DARCOM) 19-48-4116/8S-20PA1002 - Unitization Procedures For Boxed Ammunition And Components On 4-Way Entry Pallets (Copies of specifications, standards and drawings, required by suppliers in connection with specific procurement
7、 functions should be obtained from the procuring activity or as directed by the Contracting Officer.) 3. REQUIREMENTS 3.1 Material. Materials shall be in accordance with applicable drawings, specifications and standards. 1 3.2 Components and assemblies. The parts shall comply with all requirements s
8、pecified on Drawing (dwg) 9296865 as applicable and with all requirements specified in applicable specifications. 3.3 Firing device functioning. The firing device shall not prematurely release the firing pin and shall mechanically initiate the primer- providing actuation by pull, tension release ,-
9、pressure and pressure release as follows. 3.3.1 Pull (trip wire). The firing device shall function the primer when a load of 4.0 pounds minimum (lbs min) to 9.0 lbs maximum (max) is applied to the trip wire in a direction perpendicular to the longitudinal axis of the firing device body (see 4.5.1.1)
10、. 3.3.2 Tension release. The firing device shall function the primer when a tension of 3 lbs + .25 lbs inthe trip wire applied to the tension release attachment 7s relieved by cutting the trip wire (see 4.5.1.2). 3.3.2.1 The tension of 3 lbs 2 .25 lbs shall place the tension release attachment to th
11、e set position where the gooseneck arm (Leg A) is adjacent to the extreme tip of the straight ann (Leg B). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-b3070A 13 m 77777Ob 0343474 O m _. 3.3.3 Pressure. The firing device shall function the p
12、rimer when a varying load of fifteen (15) lbs. to twenty-five (25) lbs. is applied to the sear platform (see 4.5.1.3). 3.3.4 Pressure release. After a. load of 4 lbs. is applied to the sear platform, the device shall function upon the removal of 2.0 - + .1 lbs. (see 4.5.1.4). 3.4 Water immersion. Th
13、e firing device shall be capable of ,operation in the pressure and pull modes when.submerged in minimum of. 4? Q OOd rl Cd1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-b3070A 13 I 7779706 03L13q83 L I r t3 c J E Y Y Y n .: U O CI O a a - 4
14、ti r( B a 8 a 1 ni 3 L s L P 2 I wwasoBsps psps 00000 m0 O4 00000 43 4444$ rl - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3 u d 4 O m O m o I E I c P t d E W 3 z Y Y n 8 9 Z S u d ti d !i 8 N MM NM “a4 99 O0 O00 O 9 “0 24 4 $2 ?$? O0 O00 fi .d
15、s o .d a h U QI w MP .FI QI mm mm GEI t4 O O a w O QI c) a .d P w 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-63090A 13 9999906 034.34.85 5 Il al k a ffi J M F *rl U B Y? . mmm Y m . O M 0 .iI m m .d E! rl 2 k O t k U m a al LC 3 o al m h
16、a -4 (dl 14 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3 U 4 O m O m rD I E I E r E Y n MIL-F-63090A 13 W 3999906 O343486 7 H d B d b a o .rl k Fi M C *A * *rl k I d a m .rl . 15 Provided by IHSNot for ResaleNo reproduction or networking permitt
17、ed without license from IHS-,-,-MIL-F-b3070A 13 E 7777706 03Li3Li87 7 E d a *d c, E i alt4 u0 s s , Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-r P L c a c (r U I Fi I 3 F r v) Y c r u n 8 Y Y Z O F 4 4 U MIL-F-b3090A 13 m 7779706 03Ll34 O m .CI
18、U o h o a a a *rl c mm 2 w 17 .- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-F-63050A 13 m 7777906 0343487 2 m t; .rl u .rl rl 8 Fi a U *rl 3 a Fi M G .rl k .rl b ri $k O0 Q) a *rl %?I C d k O s k O O a VI O Provided by IHSNot for ResaleNo re
19、production or networking permitted without license from IHS-,-,-rl 8 4 kl E .I . . .i . . al d P rl bo al Ud : Y Y Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-8 - Z O F a w 4 u MIL-F-b3070A 13 W 7779706 0343r174 b . c; OOd a QI rl ID tl U u a P -
20、 .I t- .-.,f. . . . . 26 / Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-E W 3 Y W n 8 z 0 ! U d -4-4 cc Ad A i? !hl 27 - al 4J a n 8 5 c n E P cn d n o) 4 c N a 6 v1 m o) a a F 8 ff rt t rl Provided by IHSNot for ResaleNo reproduction or networkin
21、g permitted without license from IHS-,-,-E Y Y Y P MIL-F-63070A 13 W 799770b 0343477 5 W yc mmm cr) ?Y? . WWW be O00 O 4 O00 9 222 & a 8 W O a .d 3 w dl 28 .- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-b3070A 13 W 7777906 0343500 al & al o
22、 XO c, alJJbJl h -n ci bo al M ti h d Fi al a O Fi .f & O .er al U al o O FI .rl m MO EO *rl rl -u Eo 4 u aJJJ &C *rl o SU cil 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-b3090A 13 m 977770b 0343501 T W MIL-F-63090A(AR) . 4.4.3 Testing 4.
23、4.3.1 Functioning. (See 3.3). Critical defect and major defect as denoted below. continuing until three (3) numerically consecutive lots have complied with the applicable requirements specified, one hundred and fifty (150) firing device assemblies with primer shall be selected from each lot for test
24、. and methods see Table II. Beginning with the first lot produced and For test quantities, modes, requirements TABLE II MODE SAMPLE REQUIREMENT TEST METHOD OR TEST SIZE PARAGRAPH PARAGRAPH Group A Pull 25 3.3.1 4.5.1.1 Pressure 25 3.3.3 4.5.1.3 Pre ssure re 1 ease 25 3.3.4 4.5 . 1.4 Tension release
25、. 25 3.3.2 4.5.1.2 Group B (Water immersion) Pull 10 3.4 4.5.2 Pre 8 s Ure 10 3.4 4.5.2 Group C (Co Id temp) Pull 10 3.5 4.5.3 Pre ss Ure 10 3.5 4.5.3 Pressure release 10 3.5 4.5.3 The lot shall be rejected if during test, a critical defect occurs i.e. the firing pin prematurely releases against the
26、 safety pin or if four (4) or more firing devices fail to function through the blasting cap (major defect) or if more than two (2) fail to function through the blasting cap in any one (1) firing mode (major defect). 4.4.3.2 Functioning. (See 3.3). Critical defect and major defect as denoted below. l
27、ots have complied with the acceptance criteria (60) firing device assemblies with primer shall be selected from each lot for test. For test quantities, modes, requirements and methods see Table III. After three (3) numerically consecutive of 4.4.3.1, sixty 30 i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
