3120-00-390-3792, BEARING,SLEEVE

National Stock Number:
3120-00-390-3792

Federal Supply Class:
3120

National Item Identification Number:
003903792

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:

127D821PC1	24446	GENERAL ELECTRIC COMPANY
3175143	80064	NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

ANTIROTATION/LUBRICATION TYPE AND QUANTITY	2 HOLE
BODY INSIDE DIAMETER	4.0060 INCHES MINIMUM AND 4.0080 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	4.8750 INCHES MINIMUM AND 4.8760 INCHES MAXIMUM
CORNER SHAPE	SQUARE ALL CORNERS
HOLE DIAMETER	0.2500 INCHES NOMINAL FIRST
LUBRICANT ACCOMMODATION STYLE	GROOVED OPEN BOTH ENDS OR GROOVED CLOSED BOTH ENDS
OVERALL LENGTH	4.0000 INCHES NOMINAL
MATERIAL	STEEL OUTER LAYER
MATERIAL	TIN ALLOY INNER LAYER
STYLE DESIGNATOR	SEGMENTED, PLAIN, NO OUTSIDE FLANGES
SURFACE FINISH	32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	63.0 MICROINCHES LEFT END SURFACE OF BODY
SURFACE FINISH	63.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE GROOVE LOCATION AND QUANTITY	1 INTERNAL AND 2 EXTERNAL

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