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National Stock Number:
3120-00-797-4000
Federal Supply Class:
3120
National Item Identification Number:
007974000
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:
| 1533-2 | 43491 | GENERAL SIGNAL CORP | | 1533-2 | 90166 | EATON AEROSPACE, LLC |
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Techincal Specification:
| MATERIAL | COPPER ALLOY OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 1.6600 INCHES MINIMUM AND | | 1.6700 INCHES MAXIMUM | | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER | | SQUARE SECOND OUTSIDE CORNER | | SQUARE THIRD OUTSIDE CORNER | | SQUARE FOURTH OUTSIDE CORNER | | SQUARE FIRST INSIDE CORNER | | SQUARE SECOND INSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED | | OVERALL THICKNESS | 0.1660 INCHES MINIMUM AND | | 0.1700 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND W/ROUND KEYWAYS | | CENTER HOLE KEYWAY RADIUS | 0.0620 INCHES NOMINAL | | CENTER HOLE KEYWAY QUANTITY | 3 | | SPECIAL FEATURES | SIX GROOVES ON EACH SIDE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 90166 | | DESIGN CONTROL REFERENCE | 1533-2 |
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