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National Stock Number:
3120-00-683-9752
Federal Supply Class:
3120
National Item Identification Number:
006839752
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:
| 53B22067 | 97151 | AIR FORCE LIFECYCLE MANAGEMENT CENTER ELECTRONIC COMPONENTS (AFLCMC/EZSS) | | 53B22067 | 98750 | SAN ANTONIO AIR LOGISTICS CENTER | | X53B22067 | 97151 | AIR FORCE LIFECYCLE MANAGEMENT CENTER ELECTRONIC COMPONENTS (AFLCMC/EZSS) |
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Techincal Specification:
| MATERIAL | COPPER ALLOY OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 3.2390 INCHES MINIMUM AND | | 3.2410 INCHES MAXIMUM | | CORNER SHAPE | SQUARE OUTSIDE LEFT CORNER | | SQUARE OUTSIDE RIGHT CORNER | | ROUND INSIDE RIGHT CORNER | | SQUARE INSIDE LEFT CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.6780 INCHES MINIMUM AND | | 0.6880 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 2.8030 INCHES MINIMUM AND | | 2.8050 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES RIGHT SIDE |
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