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National Stock Number:
3120-00-737-5135
Federal Supply Class:
3120
National Item Identification Number:
007375135
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:
| 642191 | 34623 | AM GENERAL LLC | | 7375135 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 884W | 34623 | AM GENERAL LLC | | 884W | 72447 | DANA COMMERCIAL VEHICLE MANUFACTURING, LLC |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 510 INNER LAYER | | STEEL OUTER LAYER | | COPPER ALLOY 544 OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 2.5000 INCHES NOMINAL | | CORNER SHAPE | SQUARE OUTSIDE LEFT CORNER | | SQUARE OUTSIDE RIGHT CORNER | | SQUARE INSIDE RIGHT CORNER | | SQUARE INSIDE LEFT CORNER | | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER | | SQUARE LEFT FLANGE BODY CORNER | | CROSS-SECTIONAL SHAPE STYLE | COUNTERBORED | | COUNTERBORE DIAMETER | 1.6250 INCHES NOMINAL | | COUNTERBORE DEPTH | 0.0350 INCHES MINIMUM AND | | 0.0410 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0910 INCHES MINIMUM AND | | 0.0930 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND W/ROUND KEYWAYS | | MAJOR DIAMETER | 1.4062 INCHES NOMINAL | | MINOR DIAMETER | 1.1406 INCHES NOMINAL | | CENTER HOLE KEYWAY RADIUS | 0.3125 INCHES NOMINAL | | CENTER HOLE KEYWAY QUANTITY | 3 | | LUBRICATION MATERIAL | LUBRICATING OIL | | LUBRICATION FEATURE | GROOVE FLAT BEARING SURFACE | | SPECIAL FEATURES | KEY 7/32 IN. W BY 5/16 IN. LG BENT 3/32 IN. MIN,1/8 IN. MAX,AWAY FROM BRONZE SURFACE OF WASHER,BEND STARTS 1/8 IN. FROM OD,PARALLEL TO AND EQUALLY SPACED BETWEEN GROOVES |
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