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National Stock Number:
3120-00-383-5727
Federal Supply Class:
3120
National Item Identification Number:
003835727
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:
| 3659552 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT | | 3659552 | 24617 | GENERAL MOTORS CORP | | 7377027 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 3659552 | 7X677 | GENERAL MOTORS LLC |
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Techincal Specification:
| MATERIAL | STEEL COMP 1010 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 59.0 ROCKWELL C MINIMUM OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 2.4844 INCHES MINIMUM AND | | 2.5156 INCHES MAXIMUM | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.1850 INCHES MINIMUM AND | | 0.1890 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 1.7330 INCHES MINIMUM AND | | 1.7380 INCHES MAXIMUM | | SURFACE CONDITION | GROUND | | FEATURES PROVIDED | CASEHARDENED |
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