4820-00-421-4323

Find complete technical information, availability, and procurement data for: 4820-00-421-4323
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-421-4323

Item Name Code

10958

Assigment Date

12/09/1970 (55 years ago)

threaded external boss first end connection type, air media for which designed, external seat for gasket seal first end style designator, single connection, straight flow body style, -65.0 celsius and 160.0 celsius temp rating

Product Characteristics

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

Body Style: single connection, straight flow
Temp Rating: -65.0 celsius and 160.0 celsius
Media For Which Designed: air
First End Connection Type: threaded external boss
First End Style Designator: external seat for gasket seal
First End Thread Class: 3a
First End Thread Direction: right-hand
Flow Control Device: poppet
End Connection Quantity: 1
Disk Loading Method: spring
Valve Venting Design Type: atmospheric
Valve Relief Design Type: pressure and vacuum
Material: aluminum alloy 2017 body
Material: aluminum alloy 2017 flow control device
Material Document And Classification: qq-a-225/5, alloy 2017, t451 fed spec single material response flow control device
Material Document And Classification: qq-a-225/5, alloy 2017, t451 fed spec single material response body

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
2603533	Gaseou Pressure Equalizing Valve
790RPV0.1-0.1	Gaseou Pressure Equalizing Valve

FAQs

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

What is the FSCG of the NSN 4820-00-421-4323?

The FSCG of the NSN 4820-00-421-4323 is 4820

Does the NSN 4820-00-421-4323 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-421-4323 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 4820-00-421-4323 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-421-4323 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 4820-00-421-4323 was assigned to the Federal Catalog?

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