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National Stock Number:
3120-01-070-5631
Federal Supply Class:
3120
National Item Identification Number:
010705631
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:
| 123-4642962 ITEM 13 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 128-4677986 ITEM 7 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 4642962-13 | 13873 | DLA AVIATION | | 87434-2503 ITEM 13 | 96169 | ELECTRIC BOAT CORPORATION | | 87682-7205 ITEM 7 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| DIAMETER | 2.0150 INCHES MINIMUM AND 2.0200 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | LUBRICATION MATERIAL | LUBRICANT, MANUFACTURERS STANDARD | | MATERIAL | PLASTIC OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 4.0000 INCHES NOMINAL | | OVERALL THICKNESS | 0.1250 INCHES NOMINAL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 125.0 MICROINCHES OVERALL |
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