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National Stock Number:
3120-00-158-0374
Federal Supply Class:
3120
National Item Identification Number:
001580374
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:
| TP9130 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | TP9130 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 1.1260 INCHES MINIMUM AND 1.1280 INCHES MAXIMUM | | OUTSIDE DIAMETER | 2.8500 INCHES NOMINAL | | OVERALL THICKNESS | 0.1250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-16261,GR 7 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 940 OVERALL | | SPECIAL FEATURES | W/4 GROOVES ON EA SIDE | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | SURFACE FINISH | 63.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 63.0 MICROINCHES RIGHT SIDE |
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