ARMY MIL-D-14707 (1)-1981 DISCRIMINATOR ANTI-TANK M2 AND SPOOL ASSEMBLY《M2型防坦克鉴别器和阀芯装配》.pdf

1、MIL-D-14707 (AR) e dment 1 ,- %! 8qtanber 1981 - MILITARY SPECIFICATION -_ DISCRIMINATOR, ANTI-TANK MINE, M2 AND SPOOL ASSEMBLY This amendment forms a part of Military Specification MIL-D-14707 (MU), dated 23 Feb 1968 and is approved by the US Army Armament Research and Development Command and is av

2、ailable 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 Research and Development Command and is available for use by all Departments and Agencies of the Department of

3、 Defense.“ PAGE 9 4.3.2.6, Minor Category: Delete “1.50 percent“ and substitute “1.00 percent. Delete defects 202 and 203 in their entirety. 2.1, STANDARDS, FEDERAL: Add the following standard: “FED-STD-151 -Metals; Test Methods.“ PAGE 10 4.3.2.11: Add the following new paragraph: “4.3.2.11 Cable, c

4、orrugated, prior to corrugation (see dwg. 9231954 covering a detail of dwg. 9221336). Categories Defects Method of Code No. inspection Critical: None defined r U.S.GOVERNMENTPRINTING OFFICE1981-505-022/7496 Page 1 of 3 THIS DOCUMENT CONTAINS 3 PAGES. FSC: 1345 Provided by IHSNot for ResaleNo reprodu

5、ction or networking permitted without license from IHS-,-,-Categor ies Defect s Method of Code No. Inspection Major: AQL 0.65 percent Visual 11001 101. More than one solder joint per discriminator 102. Conductor overlap less than min Scale 11002 103. Tape does not insulate conductor Visual 11003 cab

6、les Minor: None defined.” PAGE 13 4.3.3.7: Delete and substitute as follows: 114.3.3.7 Heat treatment of discriminator contact material (see dwg. 9231950) - Major defect - Code No. 18001. A test specimen twelve (12) inches long shall be taken from the beginning and end of each continuous spool of ma

7、terial used in the fabrication of upper and lower contacts. Failure of either specimen to comply with the drawing requirement, when tested as specified in 4.4.7, shall be cause for rejection of the spool from which the specimens were taken. I 4.3.3.8: Add the following new paragraph: “4.3.3.8 Load t

8、est, Male Connector (see dwg. 9207416) - Major defect - Cade No. 19001. The sampling plan for this test shall be in accordance with Special Inspection Level S-4 of MIL-STD-105 using an AQL of 0.40 percent. Any connector which fails to comply with the applicable drawing requirement shall be classed d

9、efective, when tested in accordance with 4.4.7. PAGE 16 4.4.7: Add the following new paragraph: “4.4.7 Load Test, Male Connector. Sample connectors shall be prepared for test by cutting away the dust cover, strap and a portion of the connector plug to a depth flush with the bottom of the electrical

10、contact cavity. The Page 2 of 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-14707 (1) 13 m 3999906 O296339 4 - = - - MIL-D-14707 (AR) Amendment 1 sample shall be assembled to the test fixture in accordance with 4.3.4 and the applicable load

11、 applied separately to each contact in a smooth gradual manner. Observation shall be made for conformance with the applicable drawing requirement. Following the completion of the load test, the two-conductor wire may be salvaged by separating from the connector and holding for subsequent molding into new electrical cables per dwg. 9207416, provided the wire length is still within the drawing limits.11 Custodian: Army-AR Preparing Activity : Army-AR Project No. 1345-Al92 Page 3 of 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-