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National Stock Number:
3120-01-611-9777
Federal Supply Class:
3120
National Item Identification Number:
016119777
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:
| 167-6985314 PART 6 | 53711 | NAVAL SEA SYSTEMS COMMAND | | H542-1705 PART 6 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| DIAMETER | 0.875 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | MATERIAL DOCUMENT AND CLASSIFICATION | DELRIN AFDE588 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC ACETAL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 2.000 INCHES NOMINAL | | OVERALL THICKNESS | 0.250 INCHES NOMINAL | | SPECIAL FEATURES | HAS ONE HOLE, 0.281 IN. THRU ON BOLT HOLE CIRCLE WITH DIA. 0.750 IN. | | STYLE DESIGNATOR | ROUND |
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