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National Stock Number:
3120-00-466-1963
Federal Supply Class:
3120
National Item Identification Number:
004661963
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:
| 3902563 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT | | 3902563 | 7X677 | GENERAL MOTORS LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED | | DIAMETER | 1.2400 INCHES NOMINAL | | FLANGE THICKNESS | 0.0550 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM | | KEY LENGTH | 0.0600 INCHES NOMINAL | | KEY RADIUS | 0.9800 INCHES NOMINAL | | KEY WIDTH | 0.9200 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.8400 INCHES MINIMUM AND 1.8500 INCHES MAXIMUM | | OVERALL THICKNESS | 0.3800 INCHES MINIMUM AND 0.3900 INCHES MAXIMUM | | SHANK OUTSIDE DIAMETER | 1.4100 INCHES NOMINAL | | STYLE DESIGNATOR | ROUND W/ROUND KEYS | | SURFACE CONDITION | GROUND |
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