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National Stock Number:
3120-00-661-4741
Federal Supply Class:
3120
National Item Identification Number:
006614741
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:
| 12530 | 74954 | JAY BEE MACHINE WORKS, INC | | 52131-5901-998673ALT2PC37 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 52MAD1282N18PC114X1062 | 10855 | CARRIER CORP | | 571-3801-1444715REVAPC114X1062 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 5H40-1062 | 10855 | CARRIER CORP | | N8640-6ALT2PC37 | 10855 | CARRIER CORP | | WAS-0619 | 31042 | C M P CORPORATION | | WAS-90619 | 31042 | C M P CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 2.8170 INCHES NOMINAL | | KEYWAY RADIUS | 0.1562 INCHES NOMINAL | | KEYWAY QUANTITY | 1 | | OUTSIDE DIAMETER | 4.2500 INCHES NOMINAL | | OVERALL THICKNESS | 0.1860 INCHES NOMINAL | | WASHER KEYWAY DEPTH | 0.1562 INCHES NOMINAL | | STYLE DESIGNATOR | ROUND W/KEYWAYS |
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