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National Stock Number:
3120-00-346-4552
Federal Supply Class:
3120
National Item Identification Number:
003464552
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:
| 671913 | 6H244 | THE W.W. WILLIAMS COMPANY, LLC | | 6751913 | 24617 | GENERAL MOTORS CORP | | 6751913 | 6H244 | THE W.W. WILLIAMS COMPANY, LLC | | 6751913 | 72582 | ROLLS-ROYCE SOLUTIONS AMERICA INC | | 6751913 | 73342 | ALLISON TRANSMISSION INC | | PC6751913 | C7432 | POWER COMPONENTS (DEUTSCHLAND) GMBH |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 1.9375 INCHES NOMINAL | | HARDNESS RATING | 46.0 ROCKWELL B NOMINAL OVERALL | | LUBRICATION FEATURE | GROOVE FLAT BEARING SURFACE | | LUBRICATION FEATURE | GROOVE FLAT UNFINISHED SURFACE | | OUTSIDE DIAMETER | 3.1875 INCHES NOMINAL | | OVERALL THICKNESS | 0.0910 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY 510 OR COPPER ALLOY 524 OR COPPER ALLOY 544 OVERALL | | SPECIAL FEATURES | W/2 GROOVES ON EACH SIDE | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 50.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 50.0 MICROINCHES RIGHT SIDE |
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