3120-00-970-9329, BEARING,SLEEVE

National Stock Number:
3120-00-970-9329

Federal Supply Class:
3120

National Item Identification Number:
009709329

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:

128LM10059-1	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
128LM10059-1	79RG9	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

BODY INSIDE DIAMETER	0.5005 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	0.6840 INCHES MINIMUM AND 0.6850 INCHES MAXIMUM
CORNER SHAPE	SQUARE ALL CORNERS
HARDNESS RATING	27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
LUBRICANT ACCOMMODATION STYLE	GROOVED CLOSED BOTH ENDS AND GROOVED CIRCULAR
OVERALL LENGTH	2.9970 INCHES MINIMUM AND 3.0030 INCHES MAXIMUM
MATERIAL	STEEL COMP 4340 OVERALL
STYLE DESIGNATOR	SOLID, PLAIN, NO OUTSIDE FLANGES
SURFACE FINISH	125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	125.0 MICROINCHES LEFT END SURFACE OF BODY
SURFACE FINISH	125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH	63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY

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