4820-01-455-9741

Find complete technical information, availability, and procurement data for: 4820-01-455-9741
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-455-9741

Item Name Code

20962

Assigment Date

05/23/1998 (28 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

usns stalwart class tagos end item identification, threaded internal pipe all ends connection type, right-hand all ends thread direction, plain,optional end(pipe) all ends connection style, manual valve operation method

Product Characteristics

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

Thread Direction: right-hand all ends
End Item Identification: usns stalwart class tagos
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Nominal Thread Size: 1.000 inches all ends
Material: bronze body
Material: nickel alloy flow control device
Material: rubber butadiene-acrylonitrile class nbr seat
Style Designator: straight thru
Thread Series Designator: npt all ends
Furnished Items And Quantity: 1 handle

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
1 IN. 447BSE	Ball Valve
1.0IN 417BSE	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-455-9741?

The FSCG of the NSN 4820-01-455-9741 is 4820

Does the NSN 4820-01-455-9741 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-01-455-9741 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 4820-01-455-9741 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-455-9741 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 4820-01-455-9741 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Sat, May 23, 1998