3120-00-288-5352 BUSHING,SLEEVE Index 3120-00-288-5358 BEARING,SLEEVE

National Stock Number:
3120-00-288-5353

Federal Supply Class:
3120

National Item Identification Number:
002885353

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:
4B21MS4-01143999THE BOEING COMPANY


Techincal Specification:
BODY INSIDE DIAMETER0.2495 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.3730 INCHES MINIMUM AND 0.3735 INCHES MAXIMUM
CORNER SHAPESQUARE ALL CORNERS
OVERALL LENGTH0.3387 INCHES MINIMUM AND 0.3437 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
SPECIAL FEATURESMAGNETIC INSPECTION REQUIRED
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF BODY AND FLANGE
SURFACE FINISH16.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH250.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE TREATMENTCHROMIUM OUTSIDE DIAMETER SURFACE OF BODY


Click here to Register for Free 30-day Trial

© 2026 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us