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National Stock Number:
3120-01-159-8588
Federal Supply Class:
3120
National Item Identification Number:
011598588
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:
| 14071875 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT | | 14071875 | 7X677 | GENERAL MOTORS LLC | | 1407875 | 61928 | GENERAL MOTORS CORP AC-DELCO DIV GOVERNMENT ORDER DEPT | | 15829 | 76760 | NEW VENTURE GEAR INC NEW PROCESS GEAR DIV | | 4329189 | 86403 | CHRYSLER CORP SERVICE AND PARTS OPNS | | TRC-3244 | 60380 | TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 2.0500 INCHES MINIMUM AND 2.0600 INCHES MAXIMUM | | HARDNESS RATING | 60.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL | | OUTSIDE DIAMETER | 2.7200 INCHES MINIMUM AND 2.7400 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0920 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 1080 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1080 OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 20.0 MICROINCHES FLAT BEARING SURFACE |
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