3120-00-780-8388, BUSHING,SLEEVE

National Stock Number:
3120-00-780-8388

Federal Supply Class:
3120

National Item Identification Number:
007808388

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:

BACB28T-4-25	81205	THE BOEING COMPANY
BACB28T4-025	77272	THE BOEING COMPANY
BACB28T4-25	77272	THE BOEING COMPANY
BACB28T4-25	81205	THE BOEING COMPANY

Techincal Specification:

BODY INSIDE DIAMETER	0.2495 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	0.3750 INCHES MINIMUM AND 0.3761 INCHES MAXIMUM
CORNER SHAPE	CHAMFERED INSIDE LEFT CORNER
CORNER SHAPE	CHAMFERED INSIDE RIGHT CORNER
CORNER SHAPE	CHAMFERED 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	0.8340 INCHES MINIMUM AND 0.8540 INCHES MAXIMUM
FLANGE WIDTH	0.0570 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
OVERALL LENGTH	0.3020 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4130 OVERALL
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH	100.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
SURFACE FINISH	100.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH	100.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
SURFACE FINISH	100.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
SURFACE FINISH	80.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	80.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL

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