National Item Identification Number

01-052-0040

National Stock Number

Item Name

WASHER,CONCAVE

Federal Supply Class

5310

Description

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also WASHER (1), CONVEX. Excludes WASHER (1), RECESSED and BEARING, WASHER, THRUST.

Commercial and Government Entity Code (Supplier Data)

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33827

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Reference Numbers (Part Numbers)

205-C03017

Required Categories

MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT

Required Description

STEEL COMP 304 OVERALL
QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERAL