3120-01-323-1561 BUSHING,SLEEVE Index 5310-01-323-1563 WASHER,FLAT

National Stock Number:
3120-01-323-1562

Federal Supply Class:
3120

National Item Identification Number:
013231562

Description:
BEARING,WASHER,THRUST

Detail:
An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also WASHER, FLAT and SPACER, SLEEVE.


Manufacturer Information:
313068-21GD61WHIPP & BOURNE INC
313068-239805WHIPP & BOURNE INC.
3452255761GD61WHIPP & BOURNE INC
34522557639805WHIPP & BOURNE INC.
345225576K3210FKI ENGINEERING LTD T/A WHIPP & BOURNE


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