4820-01-438-0521

Find complete technical information, availability, and procurement data for: 4820-01-438-0521
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-438-0521

Item Name Code

33212

Assigment Date

10/30/1996 (29 years ago)

A valve specifically designed to automatically maintain a predetermined discharge flow rate which may be adjustable within a specific range. It is designed to be used with various fluids and may be preset and/or adjustable. It may be in-line or cartridge (manifold) design. Excludes:valve, regulating, feed water; valve, regulating, fluid pressure; valve, regulating, fuel oil; valve, regulating, oil pressure, automatic pilot; vavle, regulating, temperature; valve, angle; and valve, globe.

0.500 inches nominal first end outside diameter tube accommodated, straight thru body style, flared first end style designator, threaded external tube first end connection type, unable to decode first end thread size and series/type designator

Product Characteristics

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

Body Style: straight thru
First End Connection Type: threaded external tube
First End Style Designator: flared
First End Outside Diameter Tube Accommodated: 0.500 inches nominal
First End Thread Size And Series/Type Designator: unable to decode
First End Thread Class: 3a
First End Thread Direction: right-hand
Second End Relationship With First End: not identical
Second End Connection Type: threaded external tube
Second End Style Designator: flared
Second End Outside Diameter Tube Accommodated: 0.375 inches nominal
Second End Thread Size And Series/Type Designator: unable to decode
Second End Thread Class: 3a
Second End Thread Direction: right-hand
First End Seat Angle In Deg: 37.0
Second End Seat Angle In Deg: 37.0
Flow Control Device: poppet
End Connection Quantity: 2
Valve Discharge Flow Rate: 4.25 gallons per minute
End Item Identification: ticonderoga class cg (47)
Material: unable to decode
Surface Treatment: passivate outside

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
6323384-22	Calibrated Flow Valve
6323384-6	Calibrated Flow Valve
8941-06	Calibrated Flow Valve
8941-6	Calibrated Flow Valve
8970-22	Calibrated Flow Valve
Q2360-05-6	Calibrated Flow Valve
Q2360-06-6	Calibrated Flow Valve

FAQs

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

What is the FSCG of the NSN 4820-01-438-0521?

The FSCG of the NSN 4820-01-438-0521 is 4820

Does the NSN 4820-01-438-0521 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-438-0521 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-438-0521 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-438-0521 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 4820-01-438-0521 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Wed, Oct 30, 1996