2B5903

View detailed technical data, stock status, and sourcing information for: 2B5903
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-290-1018

Item Name Code

04214

Assigment Date

01/01/1961 (65 years ago)

square case style, 3.999 inches minimum and 4.003 inches maximum housing bore diameter, 2000 feet per minute accommodated shaft maximum rated speed, 0.438 inches minimum and 0.469 inches maximum seal width, 3.000 inches nominal accommodated shaft diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Accommodated Shaft Diameter: 3.000 inches nominal
Seal Width: 0.438 inches minimum and 0.469 inches maximum
Accommodated Shaft Maximum Rated Speed: 2000 feet per minute
Case Style: square
Housing Bore Diameter: 3.999 inches minimum and 4.003 inches maximum
Sealing Element Style: angular
Material: leather or rubber synthetic sealing element

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-00-633-8579	No Name Available	01/01/1963
2520-00-735-1726	No Name Available	09/11/1968

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
2B5903	Plain Encased Seal
46978D	Plain Encased Seal
6PS396	Plain Encased Seal
77160H	Plain Encased Seal
8100-758662-5	Plain Encased Seal

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5330-00-290-1018?

The FSCG of the NSN 5330-00-290-1018 is 5330

Does the NSN 5330-00-290-1018 have a Schedule B code assigned?

Yes, the Schedule B code is 8484200000

Does NSN 5330-00-290-1018 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 5330-00-290-1018 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-290-1018 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5330-00-290-1018 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961