3120-00-939-7121, BEARING,SLEEVE

National Stock Number:
3120-00-939-7121

Federal Supply Class:
3120

National Item Identification Number:
009397121

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:

8356800

19207

U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

ANTIROTATION/LUBRICATION TYPE AND QUANTITY	1 HOLE
BODY INSIDE DIAMETER	5.0000 INCHES MINIMUM AND 5.0002 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	5.1900 INCHES MINIMUM AND 5.1910 INCHES MAXIMUM
CORNER SHAPE	CHAMFERED INSIDE RIGHT CORNER
CORNER SHAPE	SQUARE INSIDE LEFT CORNER
CORNER SHAPE	SQUARE OUTSIDE RIGHT CORNER
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HOLE DIAMETER	0.2188 INCHES NOMINAL FIRST
OVERALL LENGTH	1.4400 INCHES NOMINAL
MATERIAL	STEEL COMP 4140 OVERALL
STYLE DESIGNATOR	SOLID, PLAIN, NO OUTSIDE FLANGES

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