3120-01-303-8784 BUSHING,SLEEVE Index 3120-01-303-8786 BUSHING,SLEEVE

National Stock Number:
3120-01-303-8785

Federal Supply Class:
3120

National Item Identification Number:
013038785

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:
2640-620 PIECE 896169ELECTRIC BOAT CORPORATION
845-2068557 PIECE 880064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
ANTIROTATION/LUBRICATION TYPE AND QUANTITY10 HOLE
BODY INSIDE DIAMETER1.7520 INCHES MINIMUM AND 1.7540 INCHES MAXIMUM
BODY OUTSIDE DIAMETER2.7460 INCHES MINIMUM AND 2.7480 INCHES MAXIMUM
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
FLANGE OUTSIDE DIAMETER4.3750 INCHES NOMINAL
FLANGE WIDTH0.5000 INCHES NOMINAL
HOLE DIAMETER0.1250 INCHES NOMINAL FIRST
HOLE DIAMETER0.1250 INCHES NOMINAL SECOND
HOLE DIAMETER0.2812 INCHES NOMINAL FIFTH
HOLE DIAMETER0.2812 INCHES NOMINAL FOURTH
HOLE DIAMETER0.2812 INCHES NOMINAL SIXTH
HOLE DIAMETER0.2812 INCHES NOMINAL THIRD
LUBRICANT ACCOMMODATION STYLEGROOVED CIRCULAR AND GROOVED OPEN ONE END
OVERALL LENGTH1.8870 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONBEARIUM-B-8,CAGEC 85373 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
SPECIAL FEATURES4 GREASE GROOVES ON I.D.,0.0625 IN. DEPTH
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH32.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE GROOVE LOCATION AND QUANTITY1 EXTERNAL AND 1 INTERNAL


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