Product Details | SLEEVE BEARING

3120-00-047-4090 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: 552356, 7738056, 3120-00-047-4090, 00-047-4090, 3120000474090, 000474090

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 01 JAN 1963 00-047-4090

Drawings & Photos | NSN 3120-00-047-4090


Cross Reference | NSN 3120-00-047-4090

Part Number Cage Code Manufacturer
552356 02978 L-3 COMMUNICATIONS CORPORATION DBA COMBAT PROPULSION SYSTEMS
7738056 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 3120-00-047-4090

Characteristic Specifications
MATERIAL STEEL COMP 8630 AND STEEL COMP 8640 OR STEEL COMP 4130 AND STEEL COMP 4140 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-T-00825 FED SPEC ALL MATERIAL RESPONSES OVERALL
HARDNESS RATING 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR 21C-3 SOLID INTERNAL FLANGE AT BOTH ENDS
OVERALL LENGTH 1.5740 INCHES MINIMUM AND 1.5760 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 1.8800 INCHES NOMINAL
BODY INSIDE DIAMETER 1.6600 INCHES NOMINAL
FLANGE OUTSIDE DIAMETER 2.2500 INCHES NOMINAL
FLANGE WIDTH 0.2500 INCHES NOMINAL
LEFT INTERNAL FLANGE HOLE DIAMETER 1.5743 INCHES MINIMUM AND 1.5748 INCHES MAXIMUM
RIGHT INTERNAL FLANGE HOLE DIAMETER 1.5743 INCHES MINIMUM AND 1.5748 INCHES MAXIMUM
LEFT INTERNAL FLANGE WIDTH 0.3300 INCHES NOMINAL
RIGHT INTERNAL FLANGE WIDTH 0.3300 INCHES NOMINAL
END TO FLANGE DISTANCE 0.1300 INCHES NOMINAL
LEFT END BODY DIAMETER 1.8800 INCHES NOMINAL
RIGHT END BODY DIAMETER 1.8800 INCHES NOMINAL
CORNER SHAPE ROUND CENTER FLANGE LEFT BODY CORNER ROUND CENTER FLANGE RIGHT BODY CORNER SQUARE CENTER FLANGE OUTSIDE LEFT CORNER SQUARE CENTER FLANGE OUTSIDE RIGHT CORNER
SURFACE FINISH 32.0 MICROINCHES LEFT END SURFACE OF BODY 180.0 MICROINCHES LEFT END SURFACE OF FLANGE 180.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY 180.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE 32.0 MICROINCHES RIGHT END SURFACE OF BODY 180.0 MICROINCHES RIGHT END SURFACE OF FLANGE
(NON-CORE DATA) CHAMFER LENGTH 0.0500 INCHES NOMINAL 0.0500 INCHES NOMINAL
(NON-CORE DATA) CHAMFER ANGLE 30.0 DEGREES NOMINAL 30.0 DEGREES NOMINAL
(NON-CORE DATA) RADIUS 0.0600 INCHES NOMINAL 0.0600 INCHES NOMINAL
MANUFACTURERS CODE 02978
DESIGN CONTROL REFERENCE 552356

Restrictions/Controls & Freight Information | NSN 3120-00-047-4090

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:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information