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National Stock Number:
3120-00-864-0935
Federal Supply Class:
3120
National Item Identification Number:
008640935
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:
| 104-0575 | 44940 | CUMMINS POWER GENERATION INC. | | 104-575 | 44940 | CUMMINS POWER GENERATION INC. | | 104A371 | 44940 | CUMMINS POWER GENERATION INC. | | 104A575 | 44940 | CUMMINS POWER GENERATION INC. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 2.1250 INCHES NOMINAL | | KEYWAY QUANTITY | 2 | | KEYWAY RADIUS | 0.6250 INCHES NOMINAL | | LUBRICATION FEATURE | GROOVE INTERNAL SURFACES | | OVERALL THICKNESS | 0.0930 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-L-11773 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE INNER LAYER | | MATERIAL | ALUMINUM ALLOY A850.0 INNER LAYER | | MATERIAL | OIL LUBRICATING LUBRICATION | | MATERIAL | STEEL COMP 1010 OUTER LAYER | | OUTSIDE DIAMETER | 2.7500 INCHES NOMINAL | | STYLE DESIGNATOR | ROUND W/KEYWAYS | | WASHER KEYWAY DEPTH | 0.6250 INCHES NOMINAL |
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