3120-01-213-7051, BEARING,SLEEVE

National Stock Number:
3120-01-213-7051

Federal Supply Class:
3120

National Item Identification Number:
012137051

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:

2640-857X1 PIECE 28	96169	ELECTRIC BOAT CORPORATION
2640-857X2 PIECE 8	96169	ELECTRIC BOAT CORPORATION

Techincal Specification:

MATERIAL	COPPER ALLOY 903 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE AT BOTH ENDS
OVERALL LENGTH	1.7500 INCHES NOMINAL
BODY OUTSIDE DIAMETER	1.7510 INCHES MINIMUM AND
	1.7520 INCHES MAXIMUM
BODY INSIDE DIAMETER	1.3125 INCHES NOMINAL
FLANGE OUTSIDE DIAMETER	2.2500 INCHES NOMINAL
FLANGE WIDTH	0.2190 INCHES NOMINAL
LEFT INTERNAL FLANGE HOLE DIAMETER	1.2500 INCHES MINIMUM AND
	1.2520 INCHES MAXIMUM
RIGHT INTERNAL FLANGE HOLE DIAMETER	1.2500 INCHES MINIMUM AND
	1.2520 INCHES MAXIMUM
LEFT INTERNAL FLANGE WIDTH	0.5000 INCHES NOMINAL
RIGHT INTERNAL FLANGE WIDTH	0.4375 INCHES NOMINAL
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
	CHAMFERED OUTSIDE RIGHT CORNER
	SQUARE INSIDE RIGHT CORNER
	SQUARE INSIDE LEFT CORNER
	SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
	SQUARE LEFT FLANGE BODY CORNER
SURFACE FINISH	32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
	63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
LUBRICANT ACCOMMODATION STYLE	GROOVED CIRCULAR
SURFACE GROOVE LOCATION AND QUANTITY	1 EXTERNAL

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