2158954

View detailed technical data, stock status, and sourcing information for: 2158954
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-159-7021

Item Name Code

22113

Assigment Date

08/12/1983 (42 years ago)

flat seating surface shape, rubber silicone overall material, 0.654 inches nominal taper minor diameter, 0.940 inches nominal taper major diameter, 0.144 inches minimum and 0.150 inches maximum taper length

Product Characteristics

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

Taper Length: 0.144 inches minimum and 0.150 inches maximum
Taper Minor Diameter: 0.654 inches nominal
Taper Major Diameter: 0.940 inches nominal
Seating Surface Shape: flat
Material: rubber silicone overall

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
2158954	Valve Seat
2452712	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-159-7021?

The FSCG of the NSN 4820-01-159-7021 is 4820

Does the NSN 4820-01-159-7021 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-159-7021 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 4820-01-159-7021 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-159-7021 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 4820-01-159-7021 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Fri, Aug 12, 1983