National Item Identification Number

01-373-0754

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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1W025

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Reference Numbers (Part Numbers)

DAA3144D715-011

Required Categories

HOLE DIAMETER
OUTSIDE DIAMETER
RECESS DEPTH
MATERIAL THICKNESS
THE MANUFACTU

Required Description

1.570 INCHES NOMINAL
1.252 INCHES MINIMUM AND
1.256 INCHES MAXIMUM
0.005 INCH