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National Stock Number:
3120-01-238-4667
Federal Supply Class:
3120
National Item Identification Number:
012384667
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.
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Manufacturer Information:
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | DIAMETER | 1.5940 INCHES NOMINAL | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MINIMUM OVERALL | | OUTSIDE DIAMETER | 2.7600 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | JDM 1566,CAGE 75160 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE CONDITION | GROUND |
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