3120-00-288-4895, BEARING,SLEEVE

6940-00-288-4891 POWER SUPPLY,TRAINING SET

National Stock Number:
3120-00-288-4895

Federal Supply Class:
3120

National Item Identification Number:
002884895

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:

4B21S4-030

43999

THE BOEING COMPANY

Techincal Specification:

BODY INSIDE DIAMETER	0.2495 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	0.3730 INCHES MINIMUM AND 0.3735 INCHES MAXIMUM
CORNER SHAPE	SQUARE ALL CORNERS
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6736 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6371 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6372 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4130 OR STEEL COMP 4135 OVERALL
OVERALL LENGTH	0.9325 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM
STYLE DESIGNATOR	SOLID, PLAIN, NO OUTSIDE FLANGES
SURFACE FINISH	125.0 MICROINCHES LEFT END SURFACE OF BODY
SURFACE FINISH	125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH	16.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	250.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY
SURFACE TREATMENT	CHROMIUM OVERALL

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