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National Stock Number:
3120-01-499-9304
Federal Supply Class:
3120
National Item Identification Number:
014999304
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:
| 4M139 | 76301 | THE BOEING COMPANY | | 4M139BC8-59 | 76301 | THE BOEING COMPANY | | 4M45BC8-59 | 76301 | THE BOEING COMPANY | | ST4M139BC8-59 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.4935 INCHES MINIMUM AND 0.4950 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.6267 INCHES MINIMUM AND 0.6275 INCHES MAXIMUM | | CORNER SHAPE | SQUARE INSIDE RIGHT CORNER | | CORNER SHAPE | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER | | CORNER SHAPE | SQUARE OUTSIDE LEFT CORNER | | CORNER SHAPE | SQUARE INSIDE LEFT CORNER | | CORNER SHAPE | SQUARE OUTSIDE RIGHT CORNER | | CORNER SHAPE | UNDERCUT LEFT FLANGE BODY CORNER | | FLANGE OUTSIDE DIAMETER | 0.7400 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM | | FLANGE WIDTH | 0.0600 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM | | OVERALL LENGTH | 0.6520 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-530 FED SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | COPPER ALLOY OVERALL | | SPECIFICATION/STANDARD DATA | 76301-4-139 MANUFACTURERS STANDARD | | STYLE DESIGNATOR | SOLID, EXTERNAL FLANGE ONE END |
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