3120-01-187-9585, BEARING,WASHER,THRUST

National Stock Number:
3120-01-187-9585

Federal Supply Class:
3120

National Item Identification Number:
011879585

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:

7-317236816	02731	MCDONNELL DOUGLAS HELICOPTER CO INC
7-317236816	26124	GGB LLC
DU12	26124	GGB LLC
G12DU	26124	GGB LLC
7-317236816	8V613	THE BOEING COMPANY

Techincal Specification:

MATERIAL	STEEL INNER LAYER
	COPPER ALLOY INTERMEDIATE LAYER
	LEAD OUTER LAYER
STYLE DESIGNATOR	ROUND
OUTSIDE DIAMETER	1.4900 INCHES MINIMUM AND
	1.5000 INCHES MAXIMUM
CORNER SHAPE	SQUARE ALL CORNERS
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
OVERALL THICKNESS	0.0610 INCHES MINIMUM AND
	0.0630 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE	ROUND
DIAMETER	0.8750 INCHES MINIMUM AND
	0.8850 INCHES MAXIMUM
LUBRICATION FEATURE	PERFORATION FLAT BEARING SURFACE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	8V613
MFR SOURCE CONTROLLING REFERENCE	7-317236816

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