3120-01-221-3085, BUSHING,SLEEVE

National Stock Number:
3120-01-221-3085

Federal Supply Class:
3120

National Item Identification Number:
012213085

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:

70400-08107-123

78286

SIKORSKY AIRCRAFT CORPORATION

Techincal Specification:

MATERIAL	STEEL COMP 4130 OR
	STEEL COMP E4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR
	MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND
	38.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
OVERALL LENGTH	0.8975 INCHES NOMINAL
BODY OUTSIDE DIAMETER	1.1885 INCHES MINIMUM AND
	1.1895 INCHES MAXIMUM
BODY INSIDE DIAMETER	0.9700 INCHES MINIMUM AND
	0.9800 INCHES MAXIMUM
FLANGE OUTSIDE DIAMETER	1.5600 INCHES NOMINAL
FLANGE WIDTH	0.0650 INCHES MINIMUM AND
	0.0700 INCHES MAXIMUM
RIGHT INTERNAL FLANGE HOLE DIAMETER	0.7150 INCHES MINIMUM AND
	0.7250 INCHES MAXIMUM
RIGHT INTERNAL FLANGE WIDTH	0.2500 INCHES NOMINAL
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
KEYWAY DIMENSION	0.0650 INCHES MINIMUM AND
	0.0700 INCHES MAXIMUM INTERNAL KEYWAY WIDTH
	0.1050 INCHES NOMINAL INTERNAL KEYWAY DEPTH
	0.2500 INCHES NOMINAL INTERNAL KEYWAY LENGTH
SURFACE FINISH	63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SPECIAL FEATURES	TWO KEYWAYS IN ID OF INTERNAL FLANGE

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