3120-00-516-0375, BEARING,WASHER,THRUST

National Stock Number:
3120-00-516-0375

Federal Supply Class:
3120

National Item Identification Number:
005160375

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:

20-32391-3

76301

THE BOEING COMPANY

Techincal Specification:

MATERIAL	COPPER ALLOY 630 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 4640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OR
	CADMIUM AND
	CHROMATE OR
	PHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATOR	ROUND
OUTSIDE DIAMETER	2.8500 INCHES MINIMUM AND
	2.8700 INCHES MAXIMUM
CORNER SHAPE	SQUARE FIRST OUTSIDE CORNER
	SQUARE SECOND OUTSIDE CORNER
	SQUARE THIRD OUTSIDE CORNER
	SQUARE FOURTH OUTSIDE CORNER
	CHAMFERED FIRST INSIDE CORNER
	SQUARE SECOND INSIDE CORNER
CROSS-SECTIONAL SHAPE STYLE	SHOULDERED
FLANGE THICKNESS	0.0620 INCHES NOMINAL
OVERALL THICKNESS	0.5300 INCHES NOMINAL
SHANK OUTSIDE DIAMETER	2.5615 INCHES MINIMUM AND
	2.5625 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE	ROUND
DIAMETER	2.3690 INCHES MINIMUM AND
	2.3710 INCHES MAXIMUM
SURFACE FINISH	125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
	125.0 MICROINCHES LARGEST OUTSIDE DIAMETER
	125.0 MICROINCHES LEFT SIDE
	125.0 MICROINCHES RIGHT SIDE
	125.0 MICROINCHES RIGHT SIDE OF FLANGE
	125.0 MICROINCHES SMALLEST OUTSIDE DIAMETER
SPECIAL FEATURES	INTERNAL GROOVE/S/
THE MANUFACTURERS DATA
MANUFACTURERS CODE	76301
DESIGN CONTROL REFERENCE	20-32391-3

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