3120-00-996-8207, BEARING,WASHER,THRUST

National Stock Number:
3120-00-996-8207

Federal Supply Class:
3120

National Item Identification Number:
009968207

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:

1533-1	43491	GENERAL SIGNAL CORP
1533-1	90166	EATON AEROSPACE, LLC
DS-930815	90166	EATON AEROSPACE, LLC

Techincal Specification:

CENTER HOLE KEYWAY QUANTITY	4
CENTER HOLE KEYWAY RADIUS	0.0620 INCHES NOMINAL
CENTER HOLE SHAPE STYLE	ROUND W/ROUND KEYWAYS
CORNER SHAPE	SQUARE FOURTH OUTSIDE CORNER
CORNER SHAPE	SQUARE FIRST INSIDE CORNER
CORNER SHAPE	SQUARE FIRST OUTSIDE CORNER
CORNER SHAPE	SQUARE SECOND INSIDE CORNER
CORNER SHAPE	SQUARE SECOND OUTSIDE CORNER
CORNER SHAPE	SQUARE THIRD OUTSIDE CORNER
CROSS-SECTIONAL SHAPE STYLE	SHOULDERED
FLANGE THICKNESS	0.0770 INCHES MINIMUM AND 0.0790 INCHES MAXIMUM
OUTSIDE DIAMETER	1.3950 INCHES MINIMUM AND 1.4050 INCHES MAXIMUM
OVERALL THICKNESS	0.1400 INCHES MINIMUM AND 0.1440 INCHES MAXIMUM
MAJOR DIAMETER	0.8710 INCHES MINIMUM AND 0.8950 INCHES MAXIMUM
MATERIAL	COPPER ALLOY OVERALL
MINOR DIAMETER	0.8510 INCHES MINIMUM AND 0.8550 INCHES MAXIMUM
SPECIAL FEATURES	8 EQUALLY SPACED GROOVES ON EACH SIDE
SHANK OUTSIDE DIAMETER	0.9420 INCHES MINIMUM AND 0.9460 INCHES MAXIMUM
STYLE DESIGNATOR	ROUND

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