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National Stock Number:
3120-00-032-9723
Federal Supply Class:
3120
National Item Identification Number:
000329723
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:
| 6715994 | 24617 | GENERAL MOTORS CORP | | 6715994 | 73342 | ALLISON TRANSMISSION INC |
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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 | TAPERED HOLE | | DIAMETER | 0.4510 INCHES MINIMUM AND 0.4580 INCHES MAXIMUM | | INSIDE SPHERICAL RADIUS | 0.7188 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.8125 INCHES NOMINAL | | OVERALL THICKNESS | 0.2031 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 416SE OVERALL | | SPECIAL FEATURES | LAPPED SURFACE TO SHOW50 PCT BEARING SURFACE | | SPHERICAL DEPTH | 0.0938 INCHES NOMINAL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 32.0 MICROINCHES RIGHT SIDE | | SURFACE TREATMENT | PASSIVATE OVERALL |
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