4820-01-237-6899

Find complete technical information, availability, and procurement data for: 4820-01-237-6899
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-237-6899

Item Name Code

05482

Assigment Date

08/05/1986 (39 years ago)

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

7.000 inches flange diameter, bolted bonnet attachment method, manual valve operation method, outside screw-yoke bonnet type, 4 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: 7.000 inches
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 4
Valve Operation Method: manual
Connection Type: flange, round w/holes
Valve Size: 2.500 inches
Maximum Operating Pressure And Media For Which Designed: 450.0 pounds per square inch water-oil-gas
Stem Type: rising
Face To Face Distance: 7.500 inches
Flange Face Design: raised
Inlet Relationship With Outlet: identical
Material: steel comp 316 body
Material: steel disk
Material: steel seat
Material: steel stem

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-C8M4 2 1/2IN	Gate Valve

FAQs

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

What is the FSCG of the NSN 4820-01-237-6899?

The FSCG of the NSN 4820-01-237-6899 is 4820

Does the NSN 4820-01-237-6899 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803055

Does NSN 4820-01-237-6899 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 4820-01-237-6899 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-237-6899 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 4820-01-237-6899 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, Aug 5, 1986