3120-00-293-5445, BEARING,SLEEVE

National Stock Number:
3120-00-293-5445

Federal Supply Class:
3120

National Item Identification Number:
002935445

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:

4B21S4-010	43999	THE BOEING COMPANY
LD137-0017-2010	43999	THE BOEING COMPANY

Techincal Specification:

MATERIAL	STEEL OVERALL
SURFACE TREATMENT	CHROMIUM OUTSIDE DIAMETER SURFACE OF BODY
STYLE DESIGNATOR	SOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH	0.3075 INCHES MINIMUM AND
	0.3125 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	0.3730 INCHES MINIMUM AND
	0.3735 INCHES MAXIMUM
BODY INSIDE DIAMETER	0.2495 INCHES MINIMUM AND
	0.2505 INCHES MAXIMUM
CORNER SHAPE	SQUARE ALL CORNERS
SURFACE FINISH	250.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
	125.0 MICROINCHES LEFT END SURFACE OF BODY
	16.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
	125.0 MICROINCHES RIGHT END SURFACE OF BODY
SPECIFICATION/STANDARD DATA	43999-LD137-0017 MANUFACTURERS STANDARD
THE MANUFACTURERS DATA
MANUFACTURERS CODE	43999
DESIGN CONTROL REFERENCE	LD137-0017-2010

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