3120-00-304-7747, BEARING,SLEEVE

National Stock Number:
3120-00-304-7747

Federal Supply Class:
3120

National Item Identification Number:
003047747

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:

1285131-109

98897

LOCKHEED MARTIN CORP

Techincal Specification:

MATERIAL	COPPER ALLOY 172 OR
	COPPER ALLOY 173 OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
OVERALL LENGTH	1.1800 INCHES NOMINAL
BODY OUTSIDE DIAMETER	1.9491 INCHES MINIMUM AND
	1.9500 INCHES MAXIMUM
BODY INSIDE DIAMETER	1.7370 INCHES MINIMUM AND
	1.7410 INCHES MAXIMUM
FLANGE OUTSIDE DIAMETER	2.1900 INCHES NOMINAL
FLANGE WIDTH	0.1000 INCHES NOMINAL
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
	SQUARE OUTSIDE RIGHT CORNER
	SQUARE INSIDE RIGHT CORNER
	CHAMFERED INSIDE LEFT CORNER
	SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
	UNDERCUT LEFT FLANGE BODY CORNER
ANTIROTATION/LUBRICATION TYPE AND QUANTITY	4 HOLE
HOLE DIAMETER	0.0930 INCHES MINIMUM AND
	0.0980 INCHES MAXIMUM FIRST
SURFACE FINISH	32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
	125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
	32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
	125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
	125.0 MICROINCHES RIGHT END SURFACE OF BODY
	125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
LUBRICANT ACCOMMODATION STYLE	GROOVED CIRCULAR
THE MANUFACTURERS DATA
MANUFACTURERS CODE	98897
DESIGN CONTROL REFERENCE	1285131-109

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