National Item Identification Number

01-444-3578

National Stock Number

Item Name

WASHER,LOCK

Federal Supply Class

5310

Description

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Commercial and Government Entity Code (Supplier Data)

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Reference Numbers (Part Numbers)

MS35338J-139

Required Categories

MATERIAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
HARDNESS RATING
STYLE

Required Description

STEEL COMP 303 OR
STEEL COMP 304 OR
STEEL COMP 305 OVERALL
MIL-C-13924, CL 4