3120-00-693-6720 BEARING,SLEEVE Index 3120-00-693-6722 BEARING,SLEEVE

National Stock Number:
3120-00-693-6721

Federal Supply Class:
3120

National Item Identification Number:
006936721

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:
4B21S4-10243999THE BOEING COMPANY
LD137-0017-203443999THE BOEING COMPANY


Techincal Specification:
MATERIALSTEEL COMP 4130 OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
33.0 ROCKWELL C MAXIMUM OVERALL
SURFACE TREATMENTCHROMIUM OUTSIDE DIAMETER SURFACE OF BODY
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH1.0575 INCHES MINIMUM AND
1.0625 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.3730 INCHES MINIMUM AND
0.3735 INCHES MAXIMUM
BODY INSIDE DIAMETER0.2495 INCHES MINIMUM AND
0.2505 INCHES MAXIMUM
CORNER SHAPESQUARE ALL CORNERS
SURFACE FINISH250.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
125.0 MICROINCHES LEFT END SURFACE OF BODY
16.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
125.0 MICROINCHES RIGHT END SURFACE OF BODY
THE MANUFACTURERS DATA
MANUFACTURERS CODE43999
DESIGN CONTROL REFERENCELD137-0017-2034


Click here to Register for Free 30-day Trial

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