1、MIL-C-23473C (3) 23 W 9999906 0275347 4 mi .-. I KIL-C -1 34 7 3C (AR) Amendment 3 21 September 1981 SUPERSEDING Amendment 2 30 April 1979 MILITARY SPECIFICATION CARTRIDGE 106MM, HEAT, M344A1 LOADING, ASSEMBLING AND PACKING 4 * This amendment forms a part of Military Specification MIL-C-13473C (MU),
2、 dated 5 May 1965, and is approved by the US Army Armament Research and Development Command and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 * Add the following preamble underneath the title: “This specification is approved by the US Army Armament Researc
3、h and Development Command and is available for use by all Departments and Agencies of the Department of Defense.“ Paragraph 2.1: Specifications, Military: Add “MIL-1-45607 - Inspection Standards, Military: Add “MIL-STD-1168 - Lot Numbering Equipment Supply and Maintenance“ . of Ammunition: Drawings,
4、 Army: 7549097 - delete “M509A1“ and substitute “M509A2“ 7548962 - delete “M509“ and substitute “M509A1, M509AlE1 or M5 O 9 A2 I 7548963 - delete “Box, Packing . and Packing“ and substitute “Box, Packing, Ammunition for Cartridge 106MM: Heat, M344A1, with fuze PIBD, M509A1, M509AlE1 or M509A2 and Pr
5、actice M344Al w/inert Projectile w/o fuze for Rifle M40A1 in fiber container M316.“ FSC: 1315 Page 1 of 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-L3!73C (3) 13 M 9777906 02953Y b I/ MIL-C-1347 3C (AR) Amendment 3 PAGE 6 4.2.2.4: Delete
6、101 in its entirety and substitute: “101 Fuze screw and lock washer fails to withstand minimum assembly torque (see 3 . 8) . PAGE 7 * 4.2.2.10, Minor: Delete “AQL 0.65 percent“ and substitute “AQL 1.0 percent“. Add Minor defect: “202. Threads and slot of fin and chamber assembly not coated with seal
7、ing compound . Visual 10005“. PAGE 8 4.2.2.14 Cartridge Assembly: Delete Major Defects 101 and 102 in their entirety and substitite: “Major De5ect 101 - Liner not cemented in conformance “Major Def,ect 102 - Liner loose or insecure . Visual with ahesive zone area . . . Visual 14017“. 1401 8“. P.AGE
8、9 Add paragraph .4.2.2.18 as follows.: “4.2.2.18 Screw self-locking (see Dwg. 9323855 covering a detail of Dwg. 7549096). Cateqor i-es Critical : None Major AQL 0.65% 101 102 103 104 Method of Inspection Visual Nylon patch missing Length under head over max. Gage Pitch Diameter, min. Gage Major Diam
9、eter, min. Gage 2 c Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-13473C (3) 13 W 7777706 0275347 8 I MIL-C-13473C (AR) Amendment 3 Categories Defects Minor AQL 0.65% Method of Inspection 201 Protective finish incomplete Visual“ PAGE 12 I 4.3
10、.5.1: Delete this paragraph in its entirety and substitute the following : “4.3.5.1 Penetration. The Cartridges tested in paragraph 4.2.3.7.2.1 shall be fired at 6 inch homogeneous armor plate. The cartridges tested in paragraph 4.2.3.7.2.2 shall be fired at 3 to 4 inch homogeneous armor plate excep
11、t that every tenth lot shall be fired at 6 inch plate. The plate shall be placed at 60 degree position from the vertical at approximately 400 feet from the muzzle of the rifle. Observation shall be made for penetration by jet action (see 6.5) “ PAGE 15 -6.9: Submission of test data and ammunition da
12、ta cards: Delete SMUPA-ND.2 and substitute DRDAR-LCU. -Delete SMUPA-DC8 and substitute DRDAR-QAR-E. Delete Picatinny Arsenal and substitute US Army Armament Research and Development Command. Add Figures 1 and 2 to MIL-C-13473C (MU) dated 5 May 1965, Custodian: Army-AR Preparing Activity: Army-AR Pro
13、ject No. : 1315-A457 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-C-13Y73C (3) 13 m 7979706 0275350 i.I a 9 MIL-C-13473C (AR) Amendment 3 . b -. . . . . * .- FIGURE 1 .* . 4 . . c Provided by IHSNot for ResaleNo reproduction or networking p
14、ermitted without license from IHS-,-,-. .- MIL-C-13V73C (3) 13 777790b 0275351 b W I - * MIL-C-13473C (AR) Amendment 3 . . 8 JSO TL = 2Tvl .+ 0.205Tc 0 - - m 7 -7 ,140 (BASED ON SFECIFIC GRAVITY OF STEEL = 7.8 SPECIFIC GRAVITY OF CHARGE =I.G;3) Ii. - WHERE TE = EQUIV. STEELTHKNS. (IN.) Tv,r: SINGLE
15、WALL iHi(NS.(lN.) TC-: CHARGE THKNS. (IN.) . P=0.02 TE . IN ST RU C T iC N S 30. CONNECT Tty ANDTc SCALES WITH STRAIGHT .LINE &:JO ZEAD FENETRk hETER SIZE %N f SCALE. A.4 .c 4- ,/ *US. OOVERNMENT PRINTING OFFICE 1981-505622/756i1 . 5 c Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
