3120-00-679-9638, BEARING,SLEEVE

National Stock Number:
3120-00-679-9638

Federal Supply Class:
3120

National Item Identification Number:
006799638

Description:
BEARING,SLEEVE

Detail:
A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also BUSHING, SLEEVE; SPACER, SLEEVE; and WASHER (as modified). Excludes PIN, HOLLOW.

Manufacturer Information:

3120006799638	SCY13	E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
8756525	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

ANTIROTATION/LUBRICATION TYPE AND QUANTITY	3 HOLE
BODY INSIDE DIAMETER	3.2590 INCHES MINIMUM AND 3.2600 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	3.4210 INCHES MINIMUM AND 3.4230 INCHES MAXIMUM
CORNER SHAPE	SQUARE ALL CORNERS
HOLE DIAMETER	0.2500 INCHES NOMINAL FIRST
OVERALL LENGTH	2.1250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-390 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL	COPPER ALLOY 903 OR COPPER ALLOY 923 OVERALL
STYLE DESIGNATOR	SPLIT, PLAIN, NO OUTSIDE FLANGES
SURFACE FINISH	32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY

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