3120-00-817-9821, BUSHING,SLEEVE

National Stock Number:
3120-00-817-9821

Federal Supply Class:
3120

National Item Identification Number:
008179821

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:

A51B97526-13	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B97526-21	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B97526-21	61174	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B97526-21	79RG9	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

BODY INSIDE DIAMETER	0.7200 INCHES MINIMUM AND 0.7350 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	0.8755 INCHES MINIMUM AND 0.8765 INCHES MAXIMUM
CORNER SHAPE	CHAMFERED 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	1.1250 INCHES NOMINAL
FLANGE WIDTH	0.0580 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM
HARDNESS RATING	28.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
OVERALL LENGTH	0.4180 INCHES MINIMUM AND 0.4300 INCHES MAXIMUM
MATERIAL	STEEL COMP XM-12 OR STEEL COMP 630 OVERALL
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH	125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
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	63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY

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