MIL-DTL-21338B
3.8.3 Alloy steel. The hardness of alloy steel washers in the normalized condition shall be
Rockwell B92 minimum.
3.9 Identification marking. Each washer shall be permanently and legibly marked with the
manufacturer's name or trademark and part number in accordance with the provisions of MIL-
STD-130.
3.10 Workmanship. Workmanship shall be in accordance with high grade commercial
practice governing this type of item. Washers shall be free from burrs, sharp edges, cracks, or
any other defects which will adversely affect their serviceability.
4. VERIFICATION
4.1 Conformance inspection. Conformance inspection shall consist of all the examinations
and tests specified herein.
4.2 Inspection lot. A lot shall consist of all the washers of the same type, class, and size
submitted for conformance inspection at one time.
4.3 Sampling.
4.3.1 Sampling for conformance tests. Unless otherwise specified, sampling for
Composition, Hardness and Bending tests shall be in accordance with Inspection Level S-2 of
ASQ Z1.4.
4.3.2 Sampling for examination of the end item. Unless otherwise specified, sampling for
visual and dimensional examinations (see 4.3.3) shall be in accordance with Inspection Level II of
ASQ Z1.4.
4.3.3 Visual and dimensional examination. Sample washers selected in accordance with
4.3.2 shall be visually and dimensionally examined in accordance with 3.2 through 3.5, 3.7, 3.9,
and 3.10, and the contract or order.
4.4 Test methods.
4.4.1 Bending. Sample washers selected in accordance with 4.3.1 shall be capable of being
bent back 180° (degrees) flat, either way of grain, over a radius equal to 1/2 the stock thickness,
without fracture.
4.4.2 Composition and hardness. Sample washers selected in accordance with 4.3.2 shall
be tested for composition and hardness for conformance with 3.1 and 3.8 respectively. The test
procedures for composition and hardness shall be outlined in ASTM E1282 and ASTM E18
respectively, or the manufacturer's certificate on composition and hardness will be acceptable.
4.5 Rejected lot. A rejected lot may be resubmitted for Government acceptance in
accordance with the provisions of ASQ Z1.4.
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified
in the contract or order (see 6.2). When packaging of materiel is to be performed by DoD or in-
house contractor personnel, these personnel need to contact the responsible packaging activity
to ascertain packaging requirements. Packaging requirements are maintained by the Inventory
Control Point's packaging activities within the Military Service or Defense Agency, or within the
military service's system commands. Packaging data retrieval is available from the managing
Military Department's or Defense Agency's automated packaging files, CD-ROM products, or by
contacting the responsible packaging activity.
4
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business