National Item Identification Number

99-739-6975
997396975
5365-99-739-6975
5365997396975

National Stock Number

Item Name

SPACER,STEPPED

Federal Supply Class

5365

Description

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The length must exceed 25 percent of the outside diameter or distance across peripheral flats. (When the length, outside diameter, and/or distance across peripheral flats are designated as a tolerance, the maximum dimension will be used to determine compliance.) It must have one or more internal steps (counterbores) and/or external steps on either or both bearing surfaces. Excludes SPACER, OPTICAL ELEMENT. See also WASHER, RECESSED and WASHER, SHOULDERED AND RECESSED.

Commercial and Government Entity Code (Supplier Data)

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Reference Numbers (Part Numbers)

1541-1682

Required Categories

Required Description