3120-00-804-6049, BEARING,WASHER,THRUST

National Stock Number:
3120-00-804-6049

Federal Supply Class:
3120

National Item Identification Number:
008046049

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:

1JD2309PC6	79500	WESTINGHOUSE ELECTRIC CORP
924B446-1	79500	WESTINGHOUSE ELECTRIC CORP
924B446-1	88657	WESTINGHOUSE ELECTRIC CORP POWER GENERATION-TURBINE DIV
924B446-1	90099	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

MATERIAL	STEEL OVERALL
HARDNESS RATING	94.0 ROCKWELL B NOMINAL OVERALL
STYLE DESIGNATOR	ROUND
OUTSIDE DIAMETER	4.5000 INCHES NOMINAL
CORNER SHAPE	CHAMFERED FIRST OUTSIDE CORNER
	SQUARE SECOND OUTSIDE CORNER
	SQUARE FIRST INSIDE CORNER
	SQUARE SECOND INSIDE CORNER
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
OVERALL THICKNESS	0.6250 INCHES MINIMUM AND
	0.6260 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE	ROUND W/KEYWAY
DIAMETER	1.5000 INCHES MINIMUM AND
	1.5005 INCHES MAXIMUM
CENTER HOLE KEYWAY DEPTH	0.1280 INCHES MINIMUM AND
	0.1440 INCHES MAXIMUM
CENTER HOLE KEYWAY WIDTH	0.2450 INCHES MINIMUM AND
	0.2470 INCHES MAXIMUM
CENTER HOLE KEYWAY QUANTITY	1
SURFACE FINISH	63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
	63.0 MICROINCHES LARGEST OUTSIDE DIAMETER
	16.0 MICROINCHES LEFT SIDE
	16.0 MICROINCHES RIGHT SIDE
LUBRICATION MATERIAL	LUBRICANT, MANUFACTURERS STANDARD
THE MANUFACTURERS DATA
MANUFACTURERS CODE	90099
DESIGN CONTROL REFERENCE	924B446-1

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