4820-00-421-3874

Find complete technical information, availability, and procurement data for: 4820-00-421-3874
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-421-3874

Item Name Code

05487

Assigment Date

12/09/1970 (55 years ago)

spring disk loading method, 1.125 inches offset distance, right-hand all ends thread direction, plain, optional end (pipe) all ends connection style, disk flow control device

Product Characteristics

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

Thread Direction: right-hand all ends
Offset Distance: 1.125 inches
Flow Control Device: disk
Disk Loading Method: spring
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal or vertical
Nominal Thread Size: 0.250 inches 3rd end
Nominal Thread Size: 0.375 inches 2nd end
Nominal Thread Size: 0.375 inches 1st end
Special Features: manual release
Material: aluminum alloy body
Material: steel flow control device
Material: steel stem
Surface Treatment: anodize
Thread Series Designator: npt all 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:

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25725-3-3-2	Check Valve
2982514	Check Valve
2982963	Check Valve
989010	Check Valve
MHB-030-LEAH-06B	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-421-3874?

The FSCG of the NSN 4820-00-421-3874 is 4820

Does the NSN 4820-00-421-3874 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-421-3874 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 4820-00-421-3874 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-421-3874 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 4820-00-421-3874 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Dec 9, 1970