3120-01-213-7053, BEARING,SLEEVE

National Stock Number:
3120-01-213-7053

Federal Supply Class:
3120

National Item Identification Number:
012137053

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:

77553-78X15 PIE	96169	ELECTRIC BOAT CORPORATION
77553-78X15 PIECE 15	96169	ELECTRIC BOAT CORPORATION
SSN637-515-2143626 PIECE 5	80064	NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

MATERIAL	COPPER ALLOY OVERALL
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
OVERALL LENGTH	2.0000 INCHES NOMINAL
BODY OUTSIDE DIAMETER	2.4960 INCHES MINIMUM AND
	2.4970 INCHES MAXIMUM
BODY INSIDE DIAMETER	2.0000 INCHES MINIMUM AND
	2.0002 INCHES MAXIMUM
FLANGE OUTSIDE DIAMETER	4.0000 INCHES NOMINAL
FLANGE WIDTH	0.3750 INCHES NOMINAL
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
	CHAMFERED OUTSIDE RIGHT CORNER
	CHAMFERED INSIDE RIGHT CORNER
	CHAMFERED INSIDE LEFT CORNER
	SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
	UNDERCUT LEFT FLANGE BODY CORNER
ANTIROTATION/LUBRICATION TYPE AND QUANTITY	8 HOLE
HOLE DIAMETER	0.3125 INCHES NOMINAL FIRST
	0.4062 INCHES NOMINAL SECOND
SURFACE FINISH	32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
	63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SPECIAL FEATURES	2.7500 DIA 8N-2A THREAD OD LEFT END BODY

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