20390A

View detailed technical data, stock status, and sourcing information for: 20390A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-579-8071

Item Name Code

04214

Assigment Date

01/01/1963 (63 years ago)

square case style, 2000 feet per minute accommodated shaft maximum rated speed, 4.501 inches nominal housing bore diameter, 3.500 inches nominal accommodated shaft diameter, 0.875 inches nominal seal width

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: 3.500 inches nominal
Seal Width: 0.875 inches nominal
Accommodated Shaft Maximum Rated Speed: 2000 feet per minute
Case Style: square
Housing Bore Diameter: 4.501 inches nominal
Sealing Element Style: angular
Special Features: furnished with felt wiper washer
Material: leather sealing element
Material: steel case

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
20390A	Plain Encased Seal
A86798	Plain Encased Seal

FAQs

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

What is the FSCG of the NSN 5330-00-579-8071?

The FSCG of the NSN 5330-00-579-8071 is 5330

Does the NSN 5330-00-579-8071 have a Schedule B code assigned?

Yes, the Schedule B code is 8484200000

Does NSN 5330-00-579-8071 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 5330-00-579-8071 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-579-8071 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 5330-00-579-8071 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963