3120-01-197-1021, BEARING,SLEEVE

National Stock Number:
3120-01-197-1021

Federal Supply Class:
3120

National Item Identification Number:
011971021

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:

A51B21709-25	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B21709-25	61174	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

BODY INSIDE DIAMETER	1.1875 INCHES MINIMUM AND 1.1895 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	1.5010 INCHES MINIMUM AND 1.5020 INCHES MAXIMUM
CORNER SHAPE	SQUARE ALL CORNERS
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
OVERALL LENGTH	0.7400 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-L-8937 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
MATERIAL	LUBRICANT DRY FILM LUBRICATION
MATERIAL	STEEL COMP 410 OR STEEL COMP 416 OVERALL
SPECIAL FEATURES	BOTH ENDS COUNTERBORED 1.4515 IN. DIA NOM,0.0525 IN. DEEP NOM
STYLE DESIGNATOR	SOLID, PLAIN, NO OUTSIDE FLANGES
SURFACE FINISH	63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL

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