4820-01-377-7473

Find complete technical information, availability, and procurement data for: 4820-01-377-7473
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-377-7473

Item Name Code

05482

Assigment Date

07/24/1993 (33 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.

outside screw-yoke bonnet type, manual valve operation method, bolted bonnet attachment method, 6.625 inches flange diameter, 8 bolt hole quantity

Product Characteristics

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

Flange Diameter: 6.625 inches
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 8
Valve Operation Method: manual
Connection Type: flange, round w/holes
Valve Size: 3.000 inches
Maximum Operating Pressure And Media For Which Designed: 250.0 pounds per square inch water-oil-gas
Stem Type: rising
Face To Face Distance: 6.250 inches
Flange Face Design: plain
Inlet Relationship With Outlet: identical
Special Features: mod is piece 19,20 of ethylene propylene polymer gasket
Material: copper alloy body
Material: nickel alloy disk
Material: nickel alloy seat
Material: nickel alloy stem
Furnished Items And Quantity: 1 handwheel

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
803-2177917-031 MOD	Gate Valve
803-2177917-3 MOD	Gate Valve

FAQs

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

What is the FSCG of the NSN 4820-01-377-7473?

The FSCG of the NSN 4820-01-377-7473 is 4820

Does NSN 4820-01-377-7473 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 4820-01-377-7473 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-377-7473 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 4820-01-377-7473 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Sat, Jul 24, 1993