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National Stock Number:
3120-00-182-8798
Federal Supply Class:
3120
National Item Identification Number:
001828798
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:
| 11657155 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 912348 | 34623 | AM GENERAL LLC |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 937 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 2.6250 INCHES NOMINAL | | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER | | SQUARE SECOND OUTSIDE CORNER | | SQUARE FIRST INSIDE CORNER | | SQUARE SECOND INSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.0615 INCHES MINIMUM AND | | 0.0635 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND W/ROUND KEYWAY | | DIAMETER | 1.1562 INCHES NOMINAL | | CENTER HOLE KEYWAY DEPTH | 0.2187 INCHES NOMINAL | | CENTER HOLE KEYWAY RADIUS | 0.7500 INCHES NOMINAL | | CENTER HOLE KEY QUANTITY | 1 | | CENTER HOLE KEYWAY QUANTITY | 1 | | SURFACE CONDITION | GROUND | | LUBRICATION FEATURE | GROOVE EXTERNAL SURFACE MEMBER | | SPECIAL FEATURES | ONE FLAT ON DIAMETER 1.250 IN. FROM HORIZONTAL CENTERLINE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 34623 | | DESIGN CONTROL REFERENCE | 912348 |
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