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National Stock Number:
3120-00-288-1857
Federal Supply Class:
3120
National Item Identification Number:
002881857
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:
| K8498415-14 | 24446 | GENERAL ELECTRIC COMPANY | | K8498415-14 | 71669 | GENERAL ELECTRIC CO SWITCHGEAR AND CONTROL DIVISION OF APPARATUS GROUP |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.7560 INCHES MINIMUM AND 0.7610 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.1000 INCHES MINIMUM AND 1.1100 INCHES MAXIMUM | | OVERALL THICKNESS | 0.1745 INCHES MINIMUM AND 0.1750 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 63.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | SURFACE FINISH | 32.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | SURFACE FINISH | 32.0 MICROINCHES RIGHT SIDE |
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