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National Stock Number:
3120-01-012-3084
Federal Supply Class:
3120
National Item Identification Number:
010123084
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:
| 852470-1 | 70210 | HONEYWELL INTERNATIONAL INC. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | TAPERED HOLE | | DIAMETER | 0.2800 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.4770 INCHES MINIMUM AND 0.4820 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0800 INCHES MINIMUM AND 0.0850 INCHES MAXIMUM | | SPHERICAL DEPTH | 0.0398 INCHES MINIMUM AND 0.0438 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 32.0 MICROINCHES OVERALL |
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