3120-01-349-4257 BUSHING,SLEEVE Index 3120-01-349-4259 BUSHING,SLEEVE

National Stock Number:
3120-01-349-4258

Federal Supply Class:
3120

National Item Identification Number:
013494258

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:
123-4645242-1980064NAVAL SHIP SYSTEMS COMMAND
123-4775445 ITEM 2680064NAVAL SHIP SYSTEMS COMMAND
123-4775445 ITEM 2696169ELECTRIC BOAT CORPORATION
123-5583497 ITEM 2653711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
BODY INSIDE DIAMETER1.2500 INCHES MINIMUM AND 1.2530 INCHES MAXIMUM
BODY OUTSIDE DIAMETER1.8744 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM
CORNER SHAPECHAMFERED OUTSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
HOLE DIAMETER0.2570 INCHES NOMINAL FIRST
OVERALL LENGTH1.8600 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B124 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 630 OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
SURFACE FINISH63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY


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