4730-01-494-3090 ADAPTER,STRAIGHT,TUBE TO BOSS Index 4820-01-494-3092 VALVE,SAFETY RELIEF

National Stock Number:
3120-01-494-3091

Federal Supply Class:
3120

National Item Identification Number:
014943091

Description:
BEARING,SLEEVE

Detail:
A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also BUSHING, SLEEVE; SPACER, SLEEVE; and WASHER (as modified). Excludes PIN, HOLLOW.


Manufacturer Information:
7072649-196169ELECTRIC BOAT CORPORATION
751-7072601-1353711NAVAL SEA SYSTEMS COMMAND
751-707264953711NAVAL SEA SYSTEMS COMMAND
751-7072649-153711NAVAL SEA SYSTEMS COMMAND
H821-0601-1396169ELECTRIC BOAT CORPORATION


Techincal Specification:
BODY INSIDE DIAMETER1.7540 INCHES MINIMUM AND 1.7560 INCHES MAXIMUM
BODY OUTSIDE DIAMETER2.1180 INCHES MINIMUM AND 2.1200 INCHES MAXIMUM
CORNER SHAPESQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER3.1900 INCHES MINIMUM AND 3.3100 INCHES MAXIMUM
FLANGE WIDTH0.2500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-D4020 HUMW-PE FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC POLYETHYLENE OVERALL
PROPRIETARY CHARACTERISTICSPACS
OVERALL LENGTH2.8800 INCHES NOMINAL
SPECIAL FEATURESTECH DATA NOT RELEASED OUTSIDE U.S.: FOUR HOLES EQUALLY SPACED, 4 X .281 THRU
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END


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