3120-00-321-9147, BUSHING,SLEEVE

National Stock Number:
3120-00-321-9147

Federal Supply Class:
3120

National Item Identification Number:
003219147

Description:
BUSHING,SLEEVE

Detail:
A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see BUSHING, NONMETALLIC. See also BEARING, SLEEVE; BUSHING, TAPERED; SPACER, SLEEVE; INSULATOR, BUSHING; and BUSHING, ELECTRICAL CONDUCTOR. Excludes BUSHING, DRILL, JIG.

Manufacturer Information:

4M139P12-50	70265	ALL POWER MANUFACTURING CO.
4M139P12-50	76301	THE BOEING COMPANY
ST4M139P12-50	76301	THE BOEING COMPANY

Techincal Specification:

CORNER SHAPE	SQUARE INSIDE RIGHT CORNER
CORNER SHAPE	SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
CORNER SHAPE	SQUARE OUTSIDE RIGHT CORNER
CORNER SHAPE	UNDERCUT LEFT FLANGE BODY CORNER
FLANGE OUTSIDE DIAMETER	1.1150 INCHES MINIMUM AND 1.1350 INCHES MAXIMUM
FLANGE WIDTH	0.0600 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM
OVERALL LENGTH	0.5550 INCHES MINIMUM AND 0.5670 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 4640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	COPPER ALLOY 630 OVERALL
SPECIFICATION/STANDARD DATA	76301-4-139 MANUFACTURERS STANDARD
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH	125.0 MICROINCHES INTERMEDIATE LAYER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
CORNER SHAPE	SQUARE INSIDE LEFT CORNER
BODY OUTSIDE DIAMETER	0.9393 INCHES MINIMUM AND 0.9403 INCHES MAXIMUM
BODY INSIDE DIAMETER	0.7435 INCHES MINIMUM AND 0.7450 INCHES MAXIMUM

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