3120-00-139-0254 BEARING Index 3120-00-139-0256 BEARING,WASHER,THRUST

National Stock Number:
3120-00-139-0255

Federal Supply Class:
3120

National Item Identification Number:
001390255

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:
3003G41PC101289GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT


Techincal Specification:
ANTIROTATION/LUBRICATION TYPE AND QUANTITY12 HOLE
BODY INSIDE DIAMETER1.9990 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM
BODY OUTSIDE DIAMETER3.2480 INCHES MINIMUM AND 3.2490 INCHES MAXIMUM
FLANGE OUTSIDE DIAMETER5.1200 INCHES NOMINAL
FLANGE WIDTH0.4400 INCHES NOMINAL
HOLE DIAMETER1.0000 INCHES NOMINAL FIRST
LEFT INTERNAL FLANGE HOLE DIAMETER1.9990 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM
LEFT INTERNAL FLANGE WIDTH1.5200 INCHES NOMINAL
OVERALL LENGTH14.1800 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
RIGHT INTERNAL FLANGE HOLE DIAMETER1.9990 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM
RIGHT INTERNAL FLANGE WIDTH2.1180 INCHES NOMINAL
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END, INTERIOR FLANGE(S) NOT LOCATED AT EITHER END
SURFACE FINISH63.0 MICROINCHES INTERMEDIATE LAYER


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