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National Stock Number:
3120-00-374-9863
Federal Supply Class:
3120
National Item Identification Number:
003749863
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:
| 1A6017 | 95201 | NAPCO INTERNATIONAL LLC | | 212870 | 08683 | BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC | | JHP39-143 | 02032 | HOLLINGSWORTH JOHN R CO | | B600C202 | 14351 | TELEDYNE CONTINENTAL MOTORS INDUSTRIAL PRODUCTS DIV TELEDYNE INDUSTRIES INC SUB OF TELEDYNE INC | | 957A3 | 56442 | DIAMOND REO TRUCK 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 | 2.8760 INCHES MINIMUM AND 2.8780 INCHES MAXIMUM | | LUBRICATION FEATURE | GROOVE FLAT BEARING SURFACE | | OUTSIDE DIAMETER | 3.7500 INCHES NOMINAL | | OVERALL THICKNESS | 0.1230 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY OVERALL | | STYLE DESIGNATOR | ROUND |
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