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National Stock Number:
3120-00-069-0092
Federal Supply Class:
3120
National Item Identification Number:
000690092
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:
| 487050 | 77445 | RTX CORPORATION |
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Techincal Specification:
| MATERIAL | STEEL COMP 440C OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 52.0 ROCKWELL C NOMINAL OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 0.6570 INCHES MINIMUM AND | | 0.6770 INCHES MAXIMUM | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.0600 INCHES MINIMUM AND | | 0.0630 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 0.2520 INCHES MINIMUM AND | | 0.2590 INCHES MAXIMUM | | SURFACE FINISH | 20.0 MICROINCHES OUTER RACE MEMBER | | 20.0 MICROINCHES RIGHT SIDE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 77445 | | DESIGN CONTROL REFERENCE | 487050 |
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