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National Stock Number:
3120-00-752-1763
Federal Supply Class:
3120
National Item Identification Number:
007521763
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:
| 1229J1310 | 3D6E9 | MERITOR INDUSTRIAL PRODUCTS, LLC | | 1229J1310 | 78500 | MERITOR HEAVY VEHICLE SYSTEMS, LLC | | 7521763 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 856D1 | 56442 | DIAMOND REO TRUCK CO | | 913773 | 58275 | SASCO INC CANADIAN DIV |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | CHAMFERED OUTSIDE LEFT CORNER | | CORNER SHAPE | SQUARE INSIDE LEFT CORNER | | CORNER SHAPE | SQUARE INSIDE RIGHT CORNER | | CORNER SHAPE | SQUARE OUTSIDE RIGHT CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 2.3740 INCHES MINIMUM AND 2.3760 INCHES MAXIMUM | | FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 57.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL | | OUTSIDE DIAMETER | 3.2500 INCHES NOMINAL | | OVERALL THICKNESS | 0.1820 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1009 OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | SURFACE FINISH | 32.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 32.0 MICROINCHES RIGHT SIDE |
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