4140-01-501-8639 FAN,CIRCULATING Index 5340-01-501-8641 ROD,STRAIGHT,HEADLESS

National Stock Number:
3120-01-501-8640

Federal Supply Class:
3120

National Item Identification Number:
015018640

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:
342-706732153711NAVAL SEA SYSTEMS COMMAND
342-7067321-11053711NAVAL SEA SYSTEMS COMMAND
H643-7002-11096169ELECTRIC BOAT CORPORATION


Techincal Specification:
BODY INSIDE DIAMETER1.9400 INCHES NOMINAL
CORNER SHAPESQUARE ALL CORNERS
END TO FLANGE DISTANCE0.2500 INCHES NOMINAL
FLANGE OUTSIDE DIAMETER5.5000 INCHES NOMINAL
FLANGE WIDTH0.3100 INCHES NOMINAL
LEFT END BODY DIAMETER2.5600 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 C90300 TY-3 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALCOPPER ALLOY 903 OVERALL
PROPRIETARY CHARACTERISTICSPACS
OVERALL LENGTH3.4400 INCHES NOMINAL
RIGHT END BODY DIAMETER3.7460 INCHES MINIMUM AND 3.7480 INCHES MAXIMUM
STYLE DESIGNATORSOLID, EXTERNAL FLANGE
SUPPLEMENTARY FEATURES12 INSIDE GROOVS 0.12 IN DEEP


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