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National Stock Number:
3120-01-321-4976
Federal Supply Class:
3120
National Item Identification Number:
013214976
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:
| 42420-353 | 00462 | GOODRICH CORPORATION DBA TRW LUCAS AEROSPACE | | 42420-353 | 82402 | TRIUMPH GEAR SYSTEMS INC |
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Techincal Specification:
| DIAMETER | 0.1700 INCHES MINIMUM AND 0.2000 INCHES MAXIMUM | | CENTER HOLE KEYWAY QUANTITY | 2 | | CENTER HOLE SHAPE STYLE | ROUND W/ROUND KEYWAY | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED | | FLANGE THICKNESS | 0.0570 INCHES NOMINAL | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL AND GLASS FIBER OVERALL AND DISULFIDE MOLYBDENUM OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 0.7400 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM | | OVERALL THICKNESS | 0.1500 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM | | SHANK OUTSIDE DIAMETER | 0.6220 INCHES MINIMUM AND 0.6230 INCHES MAXIMUM | | SPECIAL FEATURES | 2 MOUNTING HOLES,0.087 IN. MIN,0.107 IN. MAX DIA | | STYLE DESIGNATOR | ROUND |
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