4320-12-381-5556 PUMP UNIT,ROTARY 5340-12-381-5558 CASTER,SWIVEL

National Stock Number:
3120-12-381-5557

Federal Supply Class:
3120

National Item Identification Number:
123815557

Description:
BEARING,WASHER,THRU

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:
AW R ANTR 15-A7C2463RHEINMETALL SOLDIER ELECTRONICS GMBH
AW R ANTR 15-A7S3092RHEINMETALL AIR DEFENCE AG


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