3120-01-231-8595, BEARING,SLEEVE

National Stock Number:
3120-01-231-8595

Federal Supply Class:
3120

National Item Identification Number:
012318595

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:

SSN593-520-1862106 PIECE 7	81316	PORTSMOUTH NAVAL SHIPYARD
SSN612-520-1862106 PIECE 7	80064	NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

ANTIROTATION/LUBRICATION TYPE AND QUANTITY	1 HOLE
BODY INSIDE DIAMETER	3.5000 INCHES MINIMUM AND 3.5010 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	4.2500 INCHES NOMINAL
CORNER SHAPE	CHAMFERED INSIDE LEFT CORNER
CORNER SHAPE	CHAMFERED INSIDE RIGHT CORNER
CORNER SHAPE	SQUARE LEFT FLANGE BODY CORNER
CORNER SHAPE	SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
CORNER SHAPE	SQUARE OUTSIDE RIGHT CORNER
FLANGE OUTSIDE DIAMETER	5.0000 INCHES NOMINAL
FLANGE WIDTH	0.2440 INCHES MINIMUM AND 0.2450 INCHES MAXIMUM
HOLE DIAMETER	0.3750 INCHES NOMINAL FIRST
LUBRICANT ACCOMMODATION STYLE	GROOVED CLOSED BOTH ENDS AND GROOVED CIRCULAR
OVERALL LENGTH	4.4940 INCHES MINIMUM AND 4.4950 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	COPPER ALLOY 938 OVERALL
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH	63.0 MICROINCHES OVERALL
SURFACE GROOVE LOCATION AND QUANTITY	5 INTERNAL AND 1 EXTERNAL

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