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National Stock Number:
3120-00-396-1591
Federal Supply Class:
3120
National Item Identification Number:
003961591
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:
| 750465-1 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.3750 INCHES MINIMUM AND 0.3790 INCHES MAXIMUM | | HARDNESS RATING | 34.0 ROCKWELL C NOMINAL OVERALL | | OUTSIDE DIAMETER | 0.6820 INCHES MINIMUM AND 0.6860 INCHES MAXIMUM | | OVERALL THICKNESS | 0.1200 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM | | MATERIAL | COBALT AND CHROMIUM OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | SURFACE FINISH | 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | SURFACE FINISH | 16.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 16.0 MICROINCHES RIGHT SIDE |
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