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National Stock Number:
3120-00-662-1914
Federal Supply Class:
3120
National Item Identification Number:
006621914
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:
| 16T255 | 45152 | OSHKOSH CORP | | 16T255 | 75Q65 | OSHKOSH DEFENSE LLC | | 675485 | 30379 | EUCLID INC | | 675485 | 97907 | TEREX CORP | | 6758485 | 24617 | GENERAL MOTORS CORP | | 6758485 | 73342 | ALLISON TRANSMISSION INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 4.7600 INCHES NOMINAL | | HARDNESS RATING | 75.0 ROCKWELL B NOMINAL OVERALL | | LUBRICATION FEATURE | GROOVE FLAT BEARING SURFACE | | LUBRICATION FEATURE | GROOVE FLAT UNFINISHED SURFACE | | OUTSIDE DIAMETER | 5.7600 INCHES NOMINAL | | OVERALL THICKNESS | 0.1270 INCHES MINIMUM AND 0.1315 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | 4077M,FSCM 73342 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY OVERALL | | SPECIAL FEATURES | NONE GROOVE ON EACH SIDE | | STYLE DESIGNATOR | ROUND |
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