What is the FSCG of the NSN 3120-00-524-3820?

The FSCG of the NSN 3120-00-524-3820 is 3120

Does the NSN 3120-00-524-3820 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-524-3820 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 3120-00-524-3820 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-524-3820 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.

When the NSN 3120-00-524-3820 was assigned to the Federal Catalog?

It was assigned 62 years ago, on Tue, Jan 1, 1963

4B21S4-026 | Aerospace-Bearing

Summary

Explore detailed summary information for bearing: 4B21S4-026. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 4B21S4-026
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-524-3820
Item Name Code: 13206
Federal Item Identification Guide: A045A0
Assigment Date: 01/01/1963

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

0.8120 inches minimum and 0.8125 inches maximum overall length, 0.2495 inches minimum and 0.2505 inches maximum body inside diameter, 0.3730 inches minimum and 0.3735 inches maximum body outside diameter, 26.0 rockwell c minimum and 33.0 rockwell c maximum overall hardness rating, square all corners corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-524-3820 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 0.2495 inches minimum and 0.2505 inches maximum
Body Outside Diameter: 0.3730 inches minimum and 0.3735 inches maximum
Corner Shape: square all corners
Hardness Rating: 26.0 rockwell c minimum and 33.0 rockwell c maximum overall
Overall Length: 0.8120 inches minimum and 0.8125 inches maximum
Material Document And Classification: mil-s-6758,cond c4 mil spec single material response overall
Material: steel comp 4130 overall
Style Designator: solid, plain, no outside flanges
Surface Finish: 125.0 microinches left end surface of body
Surface Finish: 125.0 microinches right end surface of body
Surface Finish: 16.0 microinches outside diameter surface of body
Surface Finish: 250.0 microinches inside diameter surface of body
Surface Treatment: chromium outside diameter surface of body

Frequently Asked Questions

Find quick answers to common questions about bearing: 4B21S4-026. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-524-3820?: The FSCG of the NSN 3120-00-524-3820 is 3120

Does the NSN 3120-00-524-3820 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997060

Does NSN 3120-00-524-3820 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 3120-00-524-3820 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-524-3820 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.