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National Stock Number:
3120-01-514-7911
Federal Supply Class:
3120
National Item Identification Number:
015147911
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:
| 3120PL0691050 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 4087916 | 52661 | RTX CORPORATION | | 4087916 | 77445 | RTX CORPORATION |
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Techincal Specification:
| DIAMETER | 0.4950 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | MATERIAL DOCUMENT AND CLASSIFICATION | PWA370 MFR REF ALL MATERIAL RESPONSES OVERALL | | MATERIAL | GRAPHITE OVERALL AND RESIN SYNTHETIC OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 0.8950 INCHES MINIMUM AND 0.9050 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0400 INCHES MINIMUM AND 0.0420 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND |
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