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National Stock Number:
3120-01-118-2524
Federal Supply Class:
3120
National Item Identification Number:
011182524
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:
| 144EX549 | 45152 | OSHKOSH CORP | | 144EX549 | 75Q65 | OSHKOSH DEFENSE LLC | | 86781 | 1MVZ1 | SPICER HEAVY AXLE & BRAKE, INC. | | 86781 | 52304 | DANA COMMERCIAL VEHICLE PRODUCTS, LLC |
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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 | | DIAMETER | 1.2630 INCHES MINIMUM AND 1.2730 INCHES MAXIMUM | | FEATURES PROVIDED | CASEHARDENED | | INSIDE SPHERICAL RADIUS | 3.5650 INCHES MINIMUM AND 3.5670 INCHES MAXIMUM | | OUTSIDE DIAMETER | 2.7500 INCHES NOMINAL | | OUTSIDE SPHERICAL RADIUS | 3.6250 INCHES MINIMUM AND 3.6305 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0600 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1010 OVERALL | | STYLE DESIGNATOR | ROUND |
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