3120-00-689-7257, BUSHING,SLEEVE

National Stock Number:
3120-00-689-7257

Federal Supply Class:
3120

National Item Identification Number:
006897257

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:

4B20B7-007	43999	THE BOEING COMPANY
4B20E7-007	43999	THE BOEING COMPANY
4B20E7-007	89372	ROCKWELL INTERNATIONAL CORP NORTH AMERICAN AIRCRAFT OPNS
LD137-0007-5007	43999	THE BOEING COMPANY

Techincal Specification:

BODY INSIDE DIAMETER	0.4370 INCHES MINIMUM AND 0.4380 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	0.5635 INCHES MINIMUM AND 0.5645 INCHES MAXIMUM
CORNER SHAPE	SQUARE INSIDE LEFT CORNER
CORNER SHAPE	SQUARE INSIDE RIGHT CORNER
CORNER SHAPE	SQUARE LEFT FLANGE BODY CORNER
CORNER SHAPE	SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
CORNER SHAPE	SQUARE OUTSIDE RIGHT CORNER
FLANGE OUTSIDE DIAMETER	0.6780 INCHES MINIMUM AND 0.6980 INCHES MAXIMUM
FLANGE WIDTH	0.0570 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM
OVERALL LENGTH	0.2707 INCHES MINIMUM AND 0.2857 INCHES MAXIMUM
MATERIAL	COPPER ALLOY 642 OVERALL
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH	125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
SURFACE FINISH	125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH	125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
SURFACE FINISH	250.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
SURFACE TREATMENT	CADMIUM LEFT END SURFACE OF BODY AND FLANGE
SURFACE TREATMENT	CADMIUM OUTSIDE DIAMETER SURFACE OF BODY
SURFACE TREATMENT	CADMIUM OUTSIDE DIAMETER SURFACE OF FLANGE
SURFACE TREATMENT	CADMIUM RIGHT END SURFACE OF LEFT FLANGE
SURFACE TREATMENT	CADMIUM RIGHT END SURFACE OF BODY

Click here to Register for Free 30-day Trial