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National Stock Number:
3120-00-628-5995
Federal Supply Class:
3120
National Item Identification Number:
006285995
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:
| 537190 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| CENTER HOLE KEYWAY DEPTH | 0.2230 INCHES NOMINAL | | CENTER HOLE KEYWAY QUANTITY | 2 | | CENTER HOLE KEYWAY WIDTH | 0.1820 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND W/KEYWAY | | CRITICALITY CODE JUSTIFICATION | ADUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 7.7580 INCHES MINIMUM AND 7.7600 INCHES MAXIMUM | | HARDNESS RATING | 58.0 ROCKWELL C NOMINAL OVERALL | | OUTSIDE DIAMETER | 7.7590 INCHES NOMINAL | | OVERALL THICKNESS | 0.1900 INCHES MINIMUM AND 0.1950 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND |
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