National Item Identification Number

00-059-5228

National Stock Number

Item Name

WASHER,RECESSED

Federal Supply Class

5310

Referenced on: http://www.tpub.com/content/boats/TM-55-1905-222-24P/TM-55-1905-222-24P0242.htm
Referenced on: http://www.tpub.com/content/boats/TM-55-1905-222-24P/TM-55-1905-222-24P0268.htm
Referenced on: http://www.tpub.com/content/boats/TM-55-1905-222-24P/TM-55-1905-222-24P0317.htm

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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NSN (National Stock Number) 5310-00-059-5228, 5310000595228 NIIN (National Identification Number) 00-059-5228, 000595228

Part Numbers (Reference Numbers)

MS9768-12

Required Categories

MATERIAL DOCUMENT AND CLASSIFICATION
HARDNESS RATING
STYLE DESIGNATOR
HOLE DI

Required Description

AMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR
AMS 5518 ASSN STD 2ND MATERIAL RESPO