4820-01-277-8402

Find complete technical information, availability, and procurement data for: 4820-01-277-8402
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-277-8402

Item Name Code

05482

Assigment Date

04/28/1988 (38 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, 16.000 inches flange diameter, 18 bolt hole quantity, bolted bonnet attachment method, 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.

Flange Diameter: 16.000 inches
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 18
Valve Operation Method: manual
Connection Type: flange, round w/holes
Valve Size: 10.000 inches
Stem Type: rising
Maximum Operating Temp And Media For Which Designed: 450.0 fahrenheit gas and 450.0 fahrenheit water
Face To Face Distance: 13.000 inches
Flange Face Design: raised
Inlet Relationship With Outlet: identical
Pressure Class: 150.0 pounds per square inch
Material: copper alloy disk
Material: copper alloy seat
Material: copper alloy stem
Material: steel uns j03002 body
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
11F-CB-7-10IN	Gate Valve
MV-11B10-10IN	Gate Valve

FAQs

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

What is the FSCG of the NSN 4820-01-277-8402?

The FSCG of the NSN 4820-01-277-8402 is 4820

Does the NSN 4820-01-277-8402 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803055

Does NSN 4820-01-277-8402 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 4820-01-277-8402 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-277-8402 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 4820-01-277-8402 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Apr 28, 1988