National Item Identification Number

00-841-5630

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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23233

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JAY-EM AEROSPACE CORPORATION
75 MARC DR
CUYAHOGA FALLS
OH
44223
330-923-0333

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73808

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Reference Numbers (Part Numbers)

219A542
219A542

Required Categories

MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT

Required Description

STEEL OVERALL
AISI 4130 ASSN STD 1ST MATERIAL RESPONSE OR
AISI 1330 ASSN STD 2