5120-01-522-9162 STAR WHEEL,HOR FEED Index 4820-01-522-9164 VALVE,SAFETY RELIEF

National Stock Number:
3120-01-522-9163

Federal Supply Class:
3120

National Item Identification Number:
015229163

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:
820-7425867PC2-3882522PUGET SOUND NAVAL SHIPYARD AND INTERMEDIATE MAINTENCE FACILITY
NTA51260380TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT


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