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National Stock Number:
3120-00-472-1941
Federal Supply Class:
3120
National Item Identification Number:
004721941
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:
| 11641165 REV A | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 11641165-1 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | CS-2300-0001 REV B | 16236 | DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) |
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Techincal Specification:
| CENTER HOLE KEYWAY QUANTITY | 10 | | CENTER HOLE SHAPE STYLE | ROUND W/KEYWAYS | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | FEATURES PROVIDED | CASEHARDENED | | LUBRICATION FEATURE | GROOVE FLAT BEARING SURFACE | | MAJOR DIAMETER | 2.3320 INCHES MINIMUM AND 2.3600 INCHES MAXIMUM | | OUTSIDE DIAMETER | 3.3100 INCHES NOMINAL | | OVERALL THICKNESS | 0.2860 INCHES MINIMUM AND 0.2880 INCHES MAXIMUM | | MINOR DIAMETER | 2.0070 INCHES MINIMUM AND 2.0150 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND |
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