3110-00-346-7171 BEARING,ROLLER,CYLINDRICAL Index 3120-00-346-7176 BUSHING,SLEEVE

National Stock Number:
3120-00-346-7172

Federal Supply Class:
3120

National Item Identification Number:
003467172

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:
403082811449TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP
403082826198GOLDEN BEAR EQUIPMENT CORP
403082829999BEAVER SEAL EQUIPMENT CO
403082832885JOR-MAC COMPANY, INC., THE
403082852661RTX CORPORATION
403082877445RTX CORPORATION
4030828J1695KITO MFG CO. LTD
4030828S0254KITO MFG CO. LTD


Techincal Specification:
BODY INSIDE DIAMETER0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.3380 INCHES MINIMUM AND 0.3390 INCHES MAXIMUM
CORNER SHAPECHAMFERED INSIDE LEFT CORNER
CORNER SHAPECHAMFERED INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CRITICALITY CODE JUSTIFICATIONFEAT
FLANGE OUTSIDE DIAMETER0.4300 INCHES MINIMUM AND 0.4500 INCHES MAXIMUM
FLANGE WIDTH0.0650 INCHES MINIMUM AND 0.0750 INCHES MAXIMUM
OVERALL LENGTH0.2150 INCHES MINIMUM AND 0.2250 INCHES MAXIMUM
MATERIALSTEEL CORROSION RESISTING OVERALL
SPECIAL FEATURESTHIS IS A FRONT FAN DUCT BUSHING SLEEVE (AMS 5744 SST, 0.251 INCH DIAMETER 0.225 INCH HIGH) USED ON THE 220 ENGINE. OPERATING HARDWARE HANGS FROM THIS BOSS AT THE 6OCLOCK POSITION. RELEASE OF THIS HARDWARE WOULD SHUTDOWN POWERPRODUCTION AND POWER TRANSMISSION TO THE AIRCRAFT RESULTING IN ABORT OF MISSION AND EXTENSIVE MAINTENANCE BURDEN.
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END


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