3120-00-388-6038 BEARING,SLEEVE Index 3120-00-388-6040 BEARING,SLEEVE

National Stock Number:
3120-00-388-6039

Federal Supply Class:
3120

National Item Identification Number:
003886039

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:
731372PC210001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
731372PC253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
ANTIROTATION/LUBRICATION TYPE AND QUANTITY2 HOLE
BODY INSIDE DIAMETER0.5010 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.6255 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM
CORNER SHAPESQUARE ALL CORNERS
HARDNESS RATING80.0 ROCKWELL B NOMINAL OVERALL
HOLE DIAMETER0.0625 INCHES NOMINAL FIRST
OVERALL LENGTH1.2350 INCHES MINIMUM AND 1.2450 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-6946,GRADE B1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
SURFACE FINISH32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES LEFT END SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES RIGHT END SURFACE OF BODY


Click here to Register for Free 30-day Trial

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