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National Stock Number:
3120-01-484-6921
Federal Supply Class:
3120
National Item Identification Number:
014846921
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:
| 2640-808X1PC43 | 96169 | ELECTRIC BOAT CORPORATION | | 2643-785-07 ITEM 12 | 96169 | ELECTRIC BOAT CORPORATION | | 845-7286708 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 845-7286708 ITEM 12 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| DIAMETER | 1.5310 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | MATERIAL | PLASTIC ACETAL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 1.8440 INCHES NOMINAL | | OVERALL THICKNESS | 0.1250 INCHES NOMINAL | | SPECIAL FEATURES | MATERIAL IS DERLIN: TECH DATA NOT RELEASED OUTSIDE U.S. | | STYLE DESIGNATOR | ROUND |
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