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National Stock Number:
3120-00-661-4431
Federal Supply Class:
3120
National Item Identification Number:
006614431
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:
| 11A8708 | 95201 | NAPCO INTERNATIONAL LLC | | 2803P120 | 3D6E9 | MERITOR INDUSTRIAL PRODUCTS, LLC | | 2803P120 | 78500 | MERITOR HEAVY VEHICLE SYSTEMS, LLC | | 4NKD01023 | 62265 | VOLVO TRUCKS NORTH AMERICA INC. DBA FOREIGN PARENT IS VOLVO LASTVAGNAR AB GOTEBORG SWEDEN. | | 93216 | 65282 | WHITE MOTOR CORP | | BB5233 | 56442 | DIAMOND REO TRUCK CO | | P2297 | 59690 | KOEHRING CO LORAIN DIV | | P2297 | 8E499 | KOEHRING CRANES AND EXCAVATORS INC SUB OF NORTHWEST ENGINEERING CO |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | CHAMFERED SECOND INSIDE CORNER | | CORNER SHAPE | SQUARE FIRST INSIDE CORNER | | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER | | CORNER SHAPE | SQUARE SECOND OUTSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 1.7810 INCHES NOMINAL | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL | | OUTSIDE DIAMETER | 2.3750 INCHES NOMINAL | | OVERALL THICKNESS | 0.1650 INCHES MINIMUM AND 0.1670 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1045 OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE CONDITION | GROUND |
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