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National Stock Number:
3120-00-776-2807
Federal Supply Class:
3120
National Item Identification Number:
007762807
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:
| 144731 | 29510 | KOMATSU AMERICAN INTL CO | | 1P77525A1 | 23040 | FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES | | 1P77525A1 | 57526 | FORD MOTOR COMPANY | | 3-18 | 08018 | BORG-WARNER CORP | | 3-18 | 79410 | LIBERTY VENTURES INTI LLC | | 878367 | 12603 | CLARK EQUIPMENT CO | | W3-18 | 10695 | TAYLOR-DUNN CORPORATION DBA METRO CROWN INTERNATIONAL |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 544 OVERALL | | STYLE DESIGNATOR | ROUND W/KEYWAYS | | OUTSIDE DIAMETER | 2.3125 INCHES NOMINAL | | KEYWAY RADIUS | 0.1562 INCHES NOMINAL | | WASHER KEYWAY DEPTH | 0.0625 INCHES NOMINAL | | KEYWAY QUANTITY | 4 | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.0610 INCHES MINIMUM AND | | 0.0630 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND W/KEY | | DIAMETER | 1.3594 INCHES NOMINAL | | CENTER HOLE KEY WIDTH | 0.5000 INCHES NOMINAL | | CENTER HOLE KEY LENGTH | 0.1328 INCHES NOMINAL | | CENTER HOLE KEYWAY QUANTITY | 4 | | LUBRICATION FEATURE | GROOVE FLAT BEARING SURFACE | | GROOVE FLAT UNFINISHED SURFACE |
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