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National Stock Number:
3120-00-343-4796
Federal Supply Class:
3120
National Item Identification Number:
003434796
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:
| ST4M144-04001 | 23294 | AVALON MACHINE PRODUCTS INC | | ST4M144-04001 | 59563 | REID PRODUCTS INC. | | ST4M144-04001 | 65910 | MAYDAY MANUFACTURING CO. | | ST4M144-04001 | 70265 | ALL POWER MANUFACTURING CO. | | ST4M144-04001 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.2570 INCHES MINIMUM AND 0.2640 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.3766 INCHES MINIMUM AND 0.3771 INCHES MAXIMUM | | CORNER SHAPE | SQUARE ALL CORNERS | | OVERALL LENGTH | 0.2100 INCHES MINIMUM AND 0.2300 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY 172 OR COPPER ALLOY 173 OVERALL | | SPECIFICATION/STANDARD DATA | 76301-ST4-144 MANUFACTURERS STANDARD | | STYLE DESIGNATOR | SOLID, PLAIN, NO OUTSIDE FLANGES | | SURFACE FINISH | 125.0 MICROINCHES LEFT END SURFACE OF BODY | | SURFACE FINISH | 125.0 MICROINCHES RIGHT END SURFACE OF BODY | | SURFACE FINISH | 250.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | SURFACE FINISH | 32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
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