3120-01-209-9507 BEARING,SLEEVE Index 3120-01-209-9509 BEARING,SLEEVE

National Stock Number:
3120-01-209-9508

Federal Supply Class:
3120

National Item Identification Number:
012099508

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:
77643-70X9 PIECE 1896169ELECTRIC BOAT CORPORATION
SSN637-501-2159955 PIECE 1880064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
ANTIROTATION/LUBRICATION TYPE AND QUANTITY4 HOLE
BODY INSIDE DIAMETER2.5000 INCHES MINIMUM AND 2.5020 INCHES MAXIMUM
BODY OUTSIDE DIAMETER2.8760 INCHES MINIMUM AND 2.8770 INCHES MAXIMUM
CORNER SHAPESQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER3.5000 INCHES NOMINAL
FLANGE WIDTH0.1875 INCHES NOMINAL
HOLE DIAMETER0.1875 INCHES NOMINAL FIRST
OVERALL LENGTH1.0000 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONBEARIUM B-8 FSCM 85373 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH32.0 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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