3120-00-253-2870, BEARING,SLEEVE

National Stock Number:
3120-00-253-2870

Federal Supply Class:
3120

National Item Identification Number:
002532870

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:

A51B11526-11	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B11526-11	61174	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B11526-11	79RG9	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B11526-11	8P689	TENS MACHINE COMPANY, INC.

Techincal Specification:

ANTIROTATION/LUBRICATION TYPE AND QUANTITY	4 HOLE
BODY INSIDE DIAMETER	2.0000 INCHES MINIMUM AND 2.0020 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	2.1895 INCHES MINIMUM AND 2.1905 INCHES MAXIMUM
CORNER SHAPE	SQUARE INSIDE LEFT CORNER
CORNER SHAPE	SQUARE INSIDE RIGHT CORNER
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
FLANGE OUTSIDE DIAMETER	2.4380 INCHES NOMINAL
FLANGE WIDTH	0.0880 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM
HOLE DIAMETER	0.0620 INCHES NOMINAL FIRST
LUBRICANT ACCOMMODATION STYLE	GROOVED CIRCULAR
OVERALL LENGTH	1.0880 INCHES NOMINAL
MATERIAL	COPPER ALLOY 172 OR COPPER ALLOY 173 OVERALL
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH	125.0 MICROINCHES OVERALL
SURFACE GROOVE LOCATION AND QUANTITY	1 EXTERNAL
TEST DATA DOCUMENT	81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).

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