3120-01-210-3960, BEARING,SLEEVE

National Stock Number:
3120-01-210-3960

Federal Supply Class:
3120

National Item Identification Number:
012103960

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:

570-5182339 PIECE 8

53711

NAVAL SEA SYSTEMS COMMAND

Techincal Specification:

ANTIROTATION/LUBRICATION TYPE AND QUANTITY	4 HOLE
BODY INSIDE DIAMETER	9.9770 INCHES MINIMUM AND 9.9800 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	11.2440 INCHES MINIMUM AND 11.2450 INCHES MAXIMUM
CORNER SHAPE	CHAMFERED INSIDE LEFT CORNER
CORNER SHAPE	CHAMFERED INSIDE RIGHT CORNER
CORNER SHAPE	CHAMFERED OUTSIDE LEFT CORNER
CORNER SHAPE	CHAMFERED OUTSIDE RIGHT CORNER
HOLE DIAMETER	0.2500 INCHES NOMINAL FIRST
OVERALL LENGTH	2.9990 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	COPPER ALLOY 922 OVERALL
SPECIAL FEATURES	FOUR ANTIROTATION HOLES THREADED 1/4-20UNC-2B,0.500 IN. DEEP
STYLE DESIGNATOR	SOLID, PLAIN, NO OUTSIDE FLANGES
SURFACE FINISH	63.0 MICROINCHES OVERALL

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