3110-01-230-1818 BEARING,BALL,ANNULAR Index 3120-01-230-1820 BUSHING,SLEEVE

National Stock Number:
3120-01-230-1819

Federal Supply Class:
3120

National Item Identification Number:
012301819

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:
1945217/181316PORTSMOUTH NAVAL SHIPYARD
SSN593-204-1863356 PIECE 2281316PORTSMOUTH NAVAL SHIPYARD


Techincal Specification:
BODY INSIDE DIAMETER0.9370 INCHES MINIMUM AND 1.9380 INCHES MAXIMUM
BODY OUTSIDE DIAMETER1.1873 INCHES MINIMUM AND 1.1880 INCHES MAXIMUM
CORNER SHAPESQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER1.5000 INCHES NOMINAL
FLANGE WIDTH0.1850 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM
OVERALL LENGTH0.6250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OUTER LAYER
MATERIALCOPPER ALLOY 934 OUTER LAYER
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY


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