3120-01-213-7052 BEARING,SLEEVE Index 3120-01-213-7054 BEARING,SLEEVE

National Stock Number:
3120-01-213-7053

Federal Supply Class:
3120

National Item Identification Number:
012137053

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:
77553-78X15 PIE96169ELECTRIC BOAT CORPORATION
77553-78X15 PIECE 1596169ELECTRIC BOAT CORPORATION
SSN637-515-2143626 PIECE 580064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
ANTIROTATION/LUBRICATION TYPE AND QUANTITY8 HOLE
BODY INSIDE DIAMETER2.0000 INCHES MINIMUM AND 2.0002 INCHES MAXIMUM
BODY OUTSIDE DIAMETER2.4960 INCHES MINIMUM AND 2.4970 INCHES MAXIMUM
CORNER SHAPECHAMFERED INSIDE LEFT CORNER
CORNER SHAPECHAMFERED INSIDE RIGHT CORNER
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPEUNDERCUT LEFT FLANGE BODY CORNER
FLANGE OUTSIDE DIAMETER4.0000 INCHES NOMINAL
FLANGE WIDTH0.3750 INCHES NOMINAL
HOLE DIAMETER0.3125 INCHES NOMINAL FIRST
HOLE DIAMETER0.4062 INCHES NOMINAL SECOND
OVERALL LENGTH2.0000 INCHES NOMINAL
MATERIALCOPPER ALLOY OVERALL
SPECIAL FEATURES2.7500 DIA 8N-2A THREAD OD LEFT END BODY
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY


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