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National Stock Number:
3120-01-349-4267
Federal Supply Class:
3120
National Item Identification Number:
013494267
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:
| 211034353 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6404977 FIND 20 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 801-6404977 FIND 20 | 53711 | NAVAL SEA SYSTEMS COMMAND | | DF330654 FIND 20 | 43689 | HUNTINGTON INGALLS INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 2.2550 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.6100 INCHES NOMINAL | | OVERALL THICKNESS | 0.1200 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | DELRIN,CAGEC 83616 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYAMIDE OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 63.0 MICROINCHES OVERALL |
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