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National Stock Number:
3120-00-981-8645
Federal Supply Class:
3120
National Item Identification Number:
009818645
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:
| 31-6H3492 | 16662 | LIFT PARTS MFG CO INC DIV OF ECHLIN MFG CO THE | | 31-6H3492 | 66654 | TVH PARTS CO. | | 6H3492 | 11083 | CATERPILLAR INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.9339 INCHES MINIMUM AND 0.9345 INCHES MAXIMUM | | FEATURES PROVIDED | CASEHARDENED | | OUTSIDE DIAMETER | 1.5000 INCHES NOMINAL | | OVERALL THICKNESS | 0.2470 INCHES MINIMUM AND 0.2530 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | IE 320 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 32.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 32.0 MICROINCHES RIGHT SIDE |
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