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National Stock Number:
3120-00-752-1049
Federal Supply Class:
3120
National Item Identification Number:
007521049
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:
| 1092268 | 62265 | VOLVO TRUCKS NORTH AMERICA INC. DBA FOREIGN PARENT IS VOLVO LASTVAGNAR AB GOTEBORG SWEDEN. | | 2354T2 | 56442 | DIAMOND REO TRUCK CO | | 7521049 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 861881 | 65282 | WHITE MOTOR CORP | | 974W | 95019 | DANA CORP SPICER TRANSMISSION DIV | | 3120007521049 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE |
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Techincal Specification:
| CENTER HOLE KEYWAY QUANTITY | 3 | | CENTER HOLE KEYWAY RADIUS | 0.3125 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND W/ROUND KEYWAYS | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | LUBRICATION FEATURE | GROOVE FLAT BEARING SURFACE | | MAJOR DIAMETER | 1.2812 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.2500 INCHES NOMINAL | | MATERIAL | COPPER ALLOY OUTER LAYER | | MATERIAL | STEEL INNER LAYER | | MINOR DIAMETER | 1.0156 INCHES NOMINAL | | STYLE DESIGNATOR | ROUND |
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