3120-00-390-3992 Spherical Plain Bearing

Comprehensive specifications and application details for NSN: 3120-00-390-3992.

Summary

Explore detailed summary information for bearing: 3120-00-390-3992. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-390-3992
Item Name Code: 13204
Federal Item Identification Guide: A045A0
Assigment Date: 01/01/1963

A detachable part in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. It may be divided into two or more segments of 180 degrees (3.141 radians) or less. The item has a cylindrical bore and is basically spherical in its exterior design to allow for shaft misalignment. Excludes:bearing, plain, self-aligning.

17.2500 inches minimum and 17.2750 inches maximum extension outside diameter, 15.7500 inches minimum and 15.7750 inches maximum body inside diameter, square all corners corner shape, copper alloy 903 outer layer material, 21.0000 inches nominal overall length

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-390-3992 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 15.7500 inches minimum and 15.7750 inches maximum
Corner Shape: square all corners
Extension Outside Diameter: 17.2500 inches minimum and 17.2750 inches maximum
Overall Length: 21.0000 inches nominal
Material: copper alloy 903 outer layer
Material: tin alloy uns l13890 inner layer
Spherical Body Diameter: 24.7500 inches minimum and 24.7530 inches maximum
Style Designator: segmented

Related Bearings

Explore the various bearing models associated with this NSN. Click on any bearing below to view detailed technical data, performance ratings, and application guidelines.

Part Number	Name
423-541-7PC1-25-73	Spherical Plain Bearing
CL55S43-21ALT4PC1-25-73	Spherical Plain Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-00-390-3992. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-390-3992?: The FSCG of the NSN 3120-00-390-3992 is 3120

Does the NSN 3120-00-390-3992 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-00-390-3992 require demilitarization?: Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 3120-00-390-3992 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-390-3992 contain hazardous materials?: Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.