516-1929544 PIECE 9

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-450-9840

Item Name Code

50956

Assigment Date

01/02/1970 (56 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

6000.0 pounds per square inch maximum operating pressure, 1.250 inches valve size, 225.0 fahrenheit maximum operating temp, 1.000 inches nominal port diameter, copper alloy material

Product Characteristics

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

Maximum Operating Temp: 225.0 fahrenheit
Valve Size: 1.250 inches
Maximum Operating Pressure: 6000.0 pounds per square inch
Port Diameter: 1.000 inches nominal
Material: copper alloy
Thread Size And Series/Type Designator: 1 1/4-11 1/2 npt

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
516-1929544 PIECE 9	Check Valve Cartridge
58320-1	Check Valve Cartridge
665-6	Check Valve Cartridge

FAQs

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

What is the FSCG of the NSN 4820-00-450-9840?

The FSCG of the NSN 4820-00-450-9840 is 4820

Does the NSN 4820-00-450-9840 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-450-9840 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 4820-00-450-9840 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-450-9840 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 4820-00-450-9840 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Jan 2, 1970