3120-01-031-3238, BUSHING,SLEEVE

National Stock Number:
3120-01-031-3238

Federal Supply Class:
3120

National Item Identification Number:
010313238

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:

A51B23527-31	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B23527-31	61174	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B23527-31	79RG9	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

BODY INSIDE DIAMETER	0.2500 INCHES MINIMUM AND 0.2530 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	0.3755 INCHES MINIMUM AND 0.3760 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	0.4450 INCHES MINIMUM AND 0.4500 INCHES MAXIMUM
FLANGE WIDTH	0.0190 INCHES MINIMUM AND 0.0240 INCHES MAXIMUM
HARDNESS RATING	43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM OVERALL
OVERALL LENGTH	0.5450 INCHES MINIMUM AND 0.5550 INCHES MAXIMUM
MATERIAL	STEEL CORROSION RESISTING OVERALL
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH	125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE TREATMENT	PASSIVATE OVERALL

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