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National Stock Number:
3120-01-217-2999
Federal Supply Class:
3120
National Item Identification Number:
012172999
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:
| 501-2146471 PIECE 2 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 76774-35X2 PIECE 2 | 96169 | ELECTRIC BOAT CORPORATION | | SSBN640-501-2146471 PIECE 2 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.8750 INCHES MINIMUM AND 1.8770 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 2.9994 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM | | CORNER SHAPE | SQUARE ALL CORNERS | | FLANGE OUTSIDE DIAMETER | 4.0000 INCHES NOMINAL | | FLANGE WIDTH | 0.3470 INCHES MINIMUM AND 0.3500 INCHES MAXIMUM | | OVERALL LENGTH | 3.2500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | BEARIUM B-8,FSCM 85373 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY OVERALL | | STYLE DESIGNATOR | SOLID, EXTERNAL FLANGE ONE END | | SURFACE FINISH | 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | SURFACE FINISH | 63.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE | | SURFACE FINISH | 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
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