3120-01-209-8749, BEARING,SLEEVE

National Stock Number:
3120-01-209-8749

Federal Supply Class:
3120

National Item Identification Number:
012098749

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:

76553-78X27 PIECE 48	96169	ELECTRIC BOAT CORPORATION
SSBN654-209-2147530 PIECE 48	80064	NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

MATERIAL	COPPER ALLOY 642 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-00465 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
OVERALL LENGTH	0.7500 INCHES NOMINAL
BODY OUTSIDE DIAMETER	2.7510 INCHES MINIMUM AND
	2.7520 INCHES MAXIMUM
BODY INSIDE DIAMETER	2.5000 INCHES MINIMUM AND
	2.5020 INCHES MAXIMUM
FLANGE OUTSIDE DIAMETER	3.1250 INCHES NOMINAL
FLANGE WIDTH	0.2480 INCHES MINIMUM AND
	0.2500 INCHES MAXIMUM
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
	SQUARE OUTSIDE RIGHT CORNER
	SQUARE INSIDE RIGHT CORNER
	CHAMFERED INSIDE LEFT CORNER
	SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
	SQUARE LEFT FLANGE BODY CORNER
SURFACE FINISH	32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
	32.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
	63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY

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