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National Stock Number:
3120-01-346-2460
Federal Supply Class:
3120
National Item Identification Number:
013462460
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:
| 211033287 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 211033287 | 96169 | ELECTRIC BOAT CORPORATION | | 6405354 FIND 64 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 801-6405354 FIND 64 | 53711 | NAVAL SEA SYSTEMS COMMAND | | DF330725 FIND 64 | 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 | 4.5300 INCHES NOMINAL | | OUTSIDE DIAMETER | 6.9400 INCHES MINIMUM AND 7.0000 INCHES MAXIMUM | | OVERALL THICKNESS | 0.1250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | DELRIN,CAGEC 14063 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYAMIDE OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 63.0 MICROINCHES LARGEST OUTSIDE DIAMETER63.0 MICROINCHES LEFT SIDE |
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