4RB90A Spherical Plain Bearing

Comprehensive specifications and application details for: 4RB90A Spherical Plain Bearing.

Summary

Explore detailed summary information for bearing: 4RB90A. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 4RB90A
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-474-3320
Item Name Code: 13204
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.

3120-00-474-3320, spherical plain bearing

Replaces

The NSN 3120-00-474-3320 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-00-628-5823	No Name Available	01/01/1963

Frequently Asked Questions

Find quick answers to common questions about bearing: 4RB90A. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-474-3320?: The FSCG of the NSN 3120-00-474-3320 is 3120

Does the NSN 3120-00-474-3320 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-00-474-3320 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 3120-00-474-3320 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-474-3320 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.