Product Details | SLEEVE BEARING

3120-00-389-8158 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.

Part Alternates: 7345821, 3120-00-389-8158, 00-389-8158, 3120003898158, 003898158

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 01 JAN 1963 00-389-8158

Drawings & Photos | NSN 3120-00-389-8158


Cross Reference | NSN 3120-00-389-8158

Part Number Cage Code Manufacturer
7345821 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 3120-00-389-8158

Characteristic Specifications
MATERIAL STEEL COMP 1010 OR STEEL COMP 1020 OVERALL
SURFACE TREATMENT CADMIUM OR ZINC OVERALL
STYLE DESIGNATOR 17C SOLID
OVERALL LENGTH 3.1200 INCHES MINIMUM AND 3.1250 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 1.0000 INCHES NOMINAL
BODY INSIDE DIAMETER 0.6870 INCHES MINIMUM AND 0.6920 INCHES MAXIMUM
CORNER SHAPE CHAMFERED ALL CORNERS
SURFACE FINISH 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
CRITICALITY CODE JUSTIFICATION ABHP AND ADAS
(NON-CORE DATA) CHAMFER LENGTH 0.1250 INCHES NOMINAL 0.0320 INCHES NOMINAL 0.0320 INCHES NOMINAL 0.0320 INCHES NOMINAL
(NON-CORE DATA) CHAMFER ANGLE 30.0 DEGREES NOMINAL 45.0 DEGREES NOMINAL 45.0 DEGREES NOMINAL 45.0 DEGREES NOMINAL

Restrictions/Controls & Freight Information | NSN 3120-00-389-8158

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:YThe item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.
Category Code Description
No Freight Information