3120-01-178-2138 BUSHING,SLEEVE Index 3120-01-178-2140 BUSHING,SLEEVE

National Stock Number:
3120-01-178-2139

Federal Supply Class:
3120

National Item Identification Number:
011782139

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:
635A53501289GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
635A535-00201289GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
7303E71 PIECE 21501289GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
7303E71 PIECE 21517454TIMKEN GEARS & SERVICES INC.
635A535-00217454TIMKEN GEARS & SERVICES INC.
A-322511680064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
ANTIROTATION/LUBRICATION TYPE AND QUANTITY3 HOLE
BODY INSIDE DIAMETER0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM
BODY OUTSIDE DIAMETER1.3730 INCHES MINIMUM AND 1.3740 INCHES MAXIMUM
CORNER SHAPESQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER3.5000 INCHES NOMINAL
FLANGE WIDTH0.5000 INCHES NOMINAL
HOLE DIAMETER0.5625 INCHES NOMINAL FIRST
OVERALL LENGTH2.5000 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONB50R57D,FSCM 01289 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
SPECIAL FEATURESOUTSIDE RIGHT CORNER RELIEVED,1.1250 IN. DIA,0.4375 IN. W
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE


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