4820-01-449-6401

Find complete technical information, availability, and procurement data for: 4820-01-449-6401
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-449-6401

Item Name Code

05487

Assigment Date

10/08/1997 (28 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.

right-hand 1st end thread direction, poppet flow control device, spring disk loading method, 2a 1st end thread class, 4920-01-3471666; support equipment (se), b-2 bomber aircraft 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.

Thread Class: 2a 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Disk Loading Method: spring
End Item Identification: 4920-01-3471666; support equipment (se), b-2 bomber aircraft
Connection Style: external seat for gasket seal (boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded cartridge 1st end
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches 1st end
Opening Pressure Setting: 5.0 pounds per square inch
Material: steel overall
Style Designator: screw-in cartridge
Thread Series Designator: unf 1st end
Furnished Items And Quantity: 2 gasket

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
CV091P	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-449-6401?

The FSCG of the NSN 4820-01-449-6401 is 4820

Does the NSN 4820-01-449-6401 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-449-6401 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 4820-01-449-6401 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-449-6401 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 4820-01-449-6401 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Wed, Oct 8, 1997