National Item Identification Number

01-378-7631

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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0D0D0

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BAE SYSTEMS INFORMATION &
ELECTRONICS SYSTEMS INTEGRATION INC
164 TOTOWA RD
WAYNE
NJ
07470
703-668-4205

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88818

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Reference Numbers (Part Numbers)

A312A168-101
A312A168-101

Required Categories

MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT

Required Description

STEEL COMP 630 OVERALL
AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PASS