3120-00-165-1756, BEARING,WASHER,THRUST

National Stock Number:
3120-00-165-1756

Federal Supply Class:
3120

National Item Identification Number:
001651756

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:

685169-1	3B150	RAYTHEON COMPANY
685169-1	49956	RAYTHEON COMPANY
685169-1	54X10	RAYTHEON COMPANY

Techincal Specification:

MATERIAL	COPPER ALLOY 172 OR
	COPPER ALLOY 173 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-530,ALLOY 172,T A FED SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	685302,FINISH C-2.2,49956 MFR REF SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATOR	ROUND
OUTSIDE DIAMETER	1.1250 INCHES NOMINAL
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
FLANGE THICKNESS	0.0620 INCHES NOMINAL
OVERALL THICKNESS	0.2220 INCHES MINIMUM AND
	0.2320 INCHES MAXIMUM
SHANK OUTSIDE DIAMETER	0.9381 INCHES MINIMUM AND
	0.9384 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE	ROUND
DIAMETER	0.5000 INCHES MINIMUM AND
	0.5007 INCHES MAXIMUM
SURFACE FINISH	32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
	125.0 MICROINCHES LARGEST OUTSIDE DIAMETER
	125.0 MICROINCHES LEFT SIDE
	125.0 MICROINCHES RIGHT SIDE
	32.0 MICROINCHES RIGHT SIDE OF FLANGE
THE MANUFACTURERS DATA
MANUFACTURERS CODE	3B150
DESIGN CONTROL REFERENCE	685169-1

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