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National Stock Number:
3120-00-662-4120
Federal Supply Class:
3120
National Item Identification Number:
006624120
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:
| 206839 | 0KDP7 | KIDDE-FENWAL, INC. | | 206839 | 16004 | DAVEY COMPRESSOR CO DIV OF KECO INDUSTRIES INC | | 206839 | 5RQL2 | DRS ENVIRONMENTAL SYSTEMS INC |
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Techincal Specification:
| CENTER HOLE KEYWAY DEPTH | 0.0400 INCHES NOMINAL | | CENTER HOLE KEYWAY QUANTITY | 1 | | CENTER HOLE KEYWAY WIDTH | 0.0630 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND W/KEYWAY | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.3700 INCHES NOMINAL | | HARDNESS RATING | 63.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM OVERALL | | OUTSIDE DIAMETER | 0.6300 INCHES NOMINAL | | OVERALL THICKNESS | 0.1300 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4615 OVERALL | | SPECIAL FEATURES | TWO FLAT BEARING SURFACES HAVE SURFACE FINISH OF 16 MICROINCH RMS | | STYLE DESIGNATOR | ROUND |
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