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National Stock Number:
3120-00-949-4975
Federal Supply Class:
3120
National Item Identification Number:
009494975
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:
| 027810 | 81118 | EATON CORPORATION | | 144EX98 | 45152 | OSHKOSH CORP | | 1930991 | 12204 | DAIMLER CHRYSLER | | 2256939 | 24617 | GENERAL MOTORS CORP | | 144EX98 | 75Q65 | OSHKOSH DEFENSE LLC | | 2256939 | 7X677 | GENERAL MOTORS LLC | | 27810 | 18875 | UNITED STATES CERAMIC TILE CO | | 27810 | 52304 | DANA COMMERCIAL VEHICLE PRODUCTS, LLC | | 716772 | 65282 | WHITE MOTOR CORP | | 27810 | 81142 | EATON CORP AXLE DIV | | 57306 R1 | 89346 | NAVISTAR INTL CORP TRUCK BR OHIO PLANT | | FP34478 | 89346 | NAVISTAR INTL CORP TRUCK BR OHIO PLANT |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE FIRST INSIDE CORNER | | CORNER SHAPE | SQUARE SECOND INSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | CONVEX | | CURVATURE OUTSIDE RADIUS | 3.0560 INCHES MINIMUM AND 3.0610 INCHES MAXIMUM | | CURVATURE INSIDE RADIUS | 3.0270 INCHES MINIMUM AND 3.0290 INCHES MAXIMUM | | DIAMETER | 1.0100 INCHES MINIMUM AND 1.0200 INCHES MAXIMUM | | OUTSIDE DIAMETER | 2.4380 INCHES NOMINAL | | OVERALL THICKNESS | 0.0290 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY OVERALL | | STYLE DESIGNATOR | ROUND |
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