4820-01-198-6521

Find complete technical information, availability, and procurement data for: 4820-01-198-6521
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-198-6521

Item Name Code

05485

Assigment Date

01/11/1985 (41 years ago)

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

disk flow control device, one 3in. flow outlet to bilge special features, packing retaining bonnet type, 4.000 inches valve size, 150.0 pounds per square inch single response maximum operating pressure

Product Characteristics

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

Flow Control Device: disk
Bonnet Type: packing retaining
Valve Size: 4.000 inches
Maximum Operating Pressure: 150.0 pounds per square inch single response
Special Features: one 3in. flow outlet to bilge

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
S 949 GPII ASSY 59	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-198-6521?

The FSCG of the NSN 4820-01-198-6521 is 4820

Does NSN 4820-01-198-6521 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 4820-01-198-6521 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-198-6521 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 4820-01-198-6521 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Jan 11, 1985