Spec_Data--PGC_17528-MIL-B-1963_J_AMENDMENT_1--1-13-15.pdf

MIL-B-1963J

AMENDMENT 1

1 August 1990

MILITARY SPECIFICATION

BUCKLES; AND CLIPS, END, STRAp (FOR BELT, TRoUSERs)

This amendment forms a part of Military Specification MIL-B-1963J, dated 29 July 1988, and is approved for use by all Departments and Agencies of the Department of Defense.

1.2, under Type III, Class 1: Add “Sub-Class C - Chromium plated”.

3.3, last sentence: Delete and substitute: “The buckle clamps, rollers, and tongues shall not pull free from belt webbing at or below 35 pounds when pull tested as specified in 4.4.5.”

3~4, at end: Add the following: “Use of prepolished nickel silver is accept-able for clips. Use of prepolished nickel silver is prohibited for buckles.”

3.4.1.2, at end of second sentence: Add “or chromate treated zinc plate con-forming to type II (with a thickness of 8 micrometers) of ASTM B 633,”

Add new paragraph:

“3.4.3.1.3 Sub-class C (chromi~ p~ated)~ All outside surfaces shall be given a mirror like polish finish. The clip shall be nickel plated in accordance with class 1, grade G of QQ-N-290 followed by chrome plating in accordance with class 1, type I of QQ-C-320, except the thickness shall be

0.000015 inch minimum.”

AMSC N/A lofz FSC 8315

DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.

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MIL-3-1963J

AMENDMENT 1

4.5.3, line 4: Before “machine cla~Ps”: add “3-inch”.

Line 6: Before “machine clamps”: add “3-inch”.

After last line: Add “If any part of the buckle is distorted during the test, the distorted buckle shall be retested and considered passing if the webbing does not pull free from the buckle at or below a load of 35 pounds. If a Constant Rate of Extension (CRE) Tensile Tester is utilized, set the maxi-load crosshead stop setting slightly lower than the 35 pounds to compensate for the crosshead speed override. The machine should be tested for correct load setting before testing buckles. A Constant Rate of Traverse (CRT) Tensile

Tester wiil not require pretesting. The pulling speed of the test machine shall be set to 12 inches per minute.”

5.3, line 6: Delete “K and L Or film bonding means O or P“ and substitute “C and D or film bonding means F or G.”.

Custodians:

Army - GL Navy - W Air Force - 11

Review activities:

Army - MD Navy - MC Air Force - 82, 99

DLA - CT

Preparing activity:

Army - CL

(project 8315-0348)

User activities:

Navy - CG Air Force - 45

Source: https://assist.dla.mil -- Downloaded: 2015-01-13T18:38Z Check the source to verify that this is the current version before use.