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National Stock Number:
3120-01-045-6484
Federal Supply Class:
3120
National Item Identification Number:
010456484
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:
| 11602687 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | C 144334 | 53591 | SCHWITZER ENGINE COMPONENTS A HOUSEHOLD INTL CO |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.4377 INCHES MINIMUM AND 0.4385 INCHES MAXIMUM | | HARDNESS RATING | 50.0 ROCKWELL C NOMINAL OVERALL | | OUTSIDE DIAMETER | 1.0700 INCHES MINIMUM AND 1.0900 INCHES MAXIMUM | | OVERALL THICKNESS | 0.1000 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1144 OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 8.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 8.0 MICROINCHES RIGHT SIDE |
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