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National Stock Number:
3120-00-662-0188
Federal Supply Class:
3120
National Item Identification Number:
006620188
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:
| 3120PL1024125 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | S8157A118-064 | 70210 | HONEYWELL INTERNATIONAL INC. | | S8157A118-064 | 72599 | ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 1.0100 INCHES MINIMUM AND 1.0200 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.1180 INCHES MINIMUM AND 1.1200 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0640 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/1 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-250/2 FED SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 1100 AND ALUMINUM ALLOY 3003 OVERALL | | STYLE DESIGNATOR | ROUND |
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