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National Stock Number:
3120-00-203-1103
Federal Supply Class:
3120
National Item Identification Number:
002031103
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:
| 8619650 | 72590 | HYDRAMATIC DIV OF GENERAL MOTORS CORP | | 8619650 | 73342 | ALLISON TRANSMISSION INC | | D47571 | 10988 | CNH INDUSTRIAL AMERICA LLC | | 8619650 | 97907 | TEREX CORP |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE FIRST INSIDE CORNER | | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER | | CORNER SHAPE | SQUARE SECOND INSIDE CORNER | | CORNER SHAPE | SQUARE SECOND OUTSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 1.9130 INCHES MINIMUM AND 1.9280 INCHES MAXIMUM | | FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 60.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL | | OUTSIDE DIAMETER | 2.6670 INCHES NOMINAL | | OVERALL THICKNESS | 0.1230 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1018 OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 26.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 26.0 MICROINCHES RIGHT SIDE |
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