4820-01-188-1772

Find complete technical information, availability, and procurement data for: 4820-01-188-1772
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-188-1772

Item Name Code

05482

Assigment Date

08/31/1984 (41 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.

manual valve operation method, 4 bolt hole quantity, outside screw-yoke bonnet type, bolted bonnet attachment method, 5.000 inches flange diameter

Product Characteristics

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

Flange Diameter: 5.000 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: 1.500 inches
Maximum Operating Pressure And Media For Which Designed: 100.0 pounds per square inch water-oil-gas
Stem Type: rising
Face To Face Distance: 5.500 inches
Flange Face Design: plain
Inlet Relationship With Outlet: identical
Material: copper alloy body
Material: copper alloy disk
Material: nickel alloy seat
Material: nickel alloy 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
NB-0102-H0000	Gate Valve
NB0102-H0000 REV A	Gate Valve
NB0102E-0150	Gate Valve

FAQs

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

What is the FSCG of the NSN 4820-01-188-1772?

The FSCG of the NSN 4820-01-188-1772 is 4820

Does NSN 4820-01-188-1772 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 4820-01-188-1772 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-188-1772 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 4820-01-188-1772 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Aug 31, 1984