National Item Identification Number

01-020-4315

National Stock Number

Item Name

WASHER,RECESSED

Federal Supply Class

5310

Description

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.

Commercial and Government Entity Code (Supplier Data)

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97403

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CECOM LR CENTER
OPNS CENTER SITCO USASA MDW
10115 GRIDLEY RD SUITE 228
FORT BELVOIR
VA
22060

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Reference Numbers (Part Numbers)

13219E2851

Required Categories

MATERIAL
STYLE DESIGNATOR
HOLE DIAMETER
OUTSIDE DIAMETER
RECESS DIAMETER
MA

Required Description

ALUMINUM ALLOY OVERALL
15 RECESS
2.6200 INCHES NOMINAL
5.0000 INCHES NOMINAL;