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National Stock Number:
3120-01-351-1907
Federal Supply Class:
3120
National Item Identification Number:
013511907
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:
| 748662 | 99167 | 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 | 0.5000 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL | | OUTSIDE DIAMETER | 0.9780 INCHES MINIMUM AND 0.9880 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0295 INCHES MINIMUM AND 0.0305 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4532 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4650 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4561 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 172 OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 16.0 MICROINCHES LEFT SIDE16.0 MICROINCHES RIGHT SIDE |
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