3020-00-585-4683 GEAR,SPUR Index 3120-00-585-4687 BEARING,SLEEVE

National Stock Number:
3120-00-585-4686

Federal Supply Class:
3120

National Item Identification Number:
005854686

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.


Manufacturer Information:
7046042P103538LOCKHEED MARTIN CORPORATION
7046042P124446GENERAL ELECTRIC COMPANY
A7046042P124446GENERAL ELECTRIC COMPANY
A7046042P124454GENERAL ELECTRIC CO ELECTRONIC COMPONENTS DIVISION OF ELECTRONIC ATOMIC AND DEFENSE SYSTEMS GROUP


Techincal Specification:
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORROUND
OUTSIDE DIAMETER0.5180 INCHES MINIMUM AND
0.5280 INCHES MAXIMUM
CORNER SHAPESQUARE ALL CORNERS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL THICKNESS0.0310 INCHES MINIMUM AND
0.0410 INCHES MAXIMUM
CENTER HOLE SHAPE STYLEROUND
DIAMETER0.1590 INCHES MINIMUM AND
0.1650 INCHES MAXIMUM
SURFACE CONDITIONGROUND


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