3120-01-233-2989 BEARING,SLEEVE Index 3120-01-233-2991 BEARING,SLEEVE

National Stock Number:
3120-01-233-2990

Federal Supply Class:
3120

National Item Identification Number:
012332990

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:
SSN593-520-1862106 PIECE 1481316PORTSMOUTH NAVAL SHIPYARD
SSN612-520-1945957 PIECE 1481316PORTSMOUTH NAVAL SHIPYARD


Techincal Specification:
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
BODY INSIDE DIAMETER1.0000 INCHES MINIMUM AND 1.0010 INCHES MAXIMUM
BODY OUTSIDE DIAMETER1.5000 INCHES NOMINAL
CORNER SHAPECHAMFERED OUTSIDE LEFT CORNER
CORNER SHAPEROUND LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
FLANGE OUTSIDE DIAMETER2.2500 INCHES NOMINAL
FLANGE WIDTH0.1240 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM
HOLE DIAMETER0.3750 INCHES NOMINAL FIRST
LUBRICANT ACCOMMODATION STYLEGROOVED STRAIGHT AND CIRCULAR
OVERALL LENGTH1.9990 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 938 OVERALL
MATERIALGREASE LUBRICATION
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH63.0 MICROINCHES OVERALL


Click here to Register for Free 30-day Trial

© 2025 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us