3120-01-090-4887, BUSHING,SLEEVE

National Stock Number:
3120-01-090-4887

Federal Supply Class:
3120

National Item Identification Number:
010904887

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:

128CM12295-13	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
128CM12295-13	79RG9	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

ANTIROTATION/LUBRICATION TYPE AND QUANTITY	4 HOLE
BODY INSIDE DIAMETER	0.6160 INCHES MINIMUM AND 0.6180 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	0.7502 INCHES MINIMUM AND 0.7508 INCHES MAXIMUM
CORNER SHAPE	CHAMFERED OUTSIDE RIGHT CORNER
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
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
FLANGE OUTSIDE DIAMETER	0.8750 INCHES NOMINAL
FLANGE WIDTH	0.0610 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
HOLE DIAMETER	0.1050 INCHES MINIMUM AND 0.1100 INCHES MAXIMUM FIRST
OVERALL LENGTH	0.4210 INCHES MINIMUM AND 0.4240 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP E4340 OVERALL
RIGHT INTERNAL FLANGE WIDTH	0.0950 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM
RIGHT INTERNAL FLANGE HOLE DIAMETER	0.2600 INCHES MINIMUM AND 0.2670 INCHES MAXIMUM
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
SURFACE FINISH	125.0 MICROINCHES INTERMEDIATE LAYER

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