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National Stock Number: 3120-01-029-3409
Federal Supply Class: 3120
National Item Identification Number: 010293409
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.
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Manufacturer Information:
537AS297 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
BODY INSIDE DIAMETER | 0.2500 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM | BODY OUTSIDE DIAMETER | 0.4940 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM | CORNER SHAPE | SQUARE ALL CORNERS | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL | OVERALL LENGTH | 0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM | MATERIAL | STEEL COMP 4140 OR STEEL COMP 4140H OVERALL | SPECIAL FEATURES | INSIDE HOLE OFF CENTER 0.0500 IN. | STYLE DESIGNATOR | SOLID, PLAIN, NO OUTSIDE FLANGES |
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