20092 ASSEMBLY 20092G51M

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-397-1220

Item Name Code

05488

Assigment Date

10/03/1994 (31 years ago)

spring disk loading method, socket all ends connection style, 0.250 inches all ends nominal pipe size accommodated, disk flow control device, nimitz class cvn end item identification

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.250 inches all ends
Flow Control Device: disk
Disk Loading Method: spring
End Item Identification: nimitz class cvn
Connection Style: socket all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Adjustable Pressure Range: +23.0 to 45.0 pounds per square inch
Material: copper alloy body
Material: nickel alloy stem
Style Designator: angle

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
20092 ASSEMBLY 20092G51M	Safety Relief Valve
20092G51M	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-397-1220?

The FSCG of the NSN 4820-01-397-1220 is 4820

Does the NSN 4820-01-397-1220 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-397-1220 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 4820-01-397-1220 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-397-1220 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 4820-01-397-1220 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Mon, Oct 3, 1994