3120-01-121-5601, BUSHING,SLEEVE

National Stock Number:
3120-01-121-5601

Federal Supply Class:
3120

National Item Identification Number:
011215601

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:

4M139BC12-27	76301	THE BOEING COMPANY
ST4M139BC12-27	76301	THE BOEING COMPANY

Techincal Specification:

MATERIAL	COPPER ALLOY 172 OR
	COPPER ALLOY 173 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-530,HT FED SPEC ALL MATERIAL RESPONSES OVERALL
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
OVERALL LENGTH	0.3250 INCHES MINIMUM AND
	0.3370 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	0.9393 INCHES MINIMUM AND
	0.9403 INCHES MAXIMUM
BODY INSIDE DIAMETER	0.7435 INCHES MINIMUM AND
	0.7450 INCHES MAXIMUM
FLANGE OUTSIDE DIAMETER	1.1150 INCHES MINIMUM AND
	1.1350 INCHES MAXIMUM
FLANGE WIDTH	0.0600 INCHES MINIMUM AND
	0.0620 INCHES MAXIMUM
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
	SQUARE OUTSIDE RIGHT CORNER
	SQUARE INSIDE RIGHT CORNER
	SQUARE INSIDE LEFT CORNER
	SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
	UNDERCUT LEFT FLANGE BODY CORNER
SURFACE FINISH	125.0 MICROINCHES INTERMEDIATE LAYER
SPECIFICATION/STANDARD DATA	76301-4M139 MANUFACTURERS STANDARD

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