4820-00-198-7151

Find complete technical information, availability, and procurement data for: 4820-00-198-7151
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-198-7151

Item Name Code

52995

Assigment Date

12/19/1971 (54 years ago)

A dual purpose marine valve used primarily with shipboard cargo tanks and bulkheads. It acts both as a vent valve, to relieve vacuum and pressure, and a check valve, to prevent cargo contamination. It is equipped with an internal flame screen and/or a protective mesh and may include a hinged cover.

round with holes all ends flange shape, flange all ends connection type, ball flow control device, automatic valve operation method, vertical mounting position

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: ball
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Mounting Position: vertical
Valve Size: 1.500 inches
Nominal Outside Diameter: 5.000 inches all ends
Face To Face Distance: 6.750 inches
Bolt Circle Nominal Diameter: 4.000 inches all ends
Flange Face Design: plain all ends
Material: copper alloy body
Material: copper flow control device
Style Designator: straight thru flanged ends

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
4S1519-126	Vent-Check Valve
52-90F1 1-2IN	Vent-Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-198-7151?

The FSCG of the NSN 4820-00-198-7151 is 4820

Does the NSN 4820-00-198-7151 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-198-7151 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 4820-00-198-7151 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-198-7151 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 4820-00-198-7151 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sun, Dec 19, 1971