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National Stock Number:
3120-00-679-7985
Federal Supply Class:
3120
National Item Identification Number:
006797985
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:
| 10863210 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 3120006797985 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 6769016 | 24617 | GENERAL MOTORS CORP | | 6769016 | 6H244 | THE W.W. WILLIAMS COMPANY, LLC | | 6769016 | 73342 | ALLISON TRANSMISSION INC |
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Techincal Specification:
| MATERIAL | COPPER ALLOY OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 2.80000 INCHES NOMINAL | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.0910 INCHES MINIMUM | | CENTER HOLE SHAPE STYLE | ROUND W/KEYWAYS | | MAJOR DIAMETER | 2.3000 INCHES NOMINAL | | MINOR DIAMETER | 2.1300 INCHES NOMINAL | | CENTER HOLE KEYWAY QUANTITY | 35 | | SURFACE FINISH | 50.0 MICROINCHES LEFT SIDE | | 50.0 MICROINCHES RIGHT SIDE | | LUBRICATION MATERIAL | LUBRICANT, MANUFACTURERS STANDARD | | SPECIAL FEATURES | LUBRICANT IMPREGNATED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 6H244 | | DESIGN CONTROL REFERENCE | 6769016 |
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