4820-00-499-4322

Find complete technical information, availability, and procurement data for: 4820-00-499-4322
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-499-4322

Item Name Code

05488

Assigment Date

06/23/1971 (55 years ago)

A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.

threaded external tube 1st end connection type, flared (tube) 1st end connection style, poppet flow control device, automatic valve operation method, 160.0 fahrenheit single response maximum operating temp

Product Characteristics

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

Flow Control Device: poppet
Maximum Operating Temp: 160.0 fahrenheit single response
Connection Style: flared (tube) 1st end
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Seat Angle: 37.0 degrees 1st end
Nominal Outside Diameter Tube Accommodated: 0.250 inches 1st end
Material: aluminum alloy overall
Media For Which Designed: nitrogen, gaseous single response
Style Designator: straight thru

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
128SCEC612-1	Safety Relief Valve
D577T4DL31	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-499-4322?

The FSCG of the NSN 4820-00-499-4322 is 4820

Does the NSN 4820-00-499-4322 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-499-4322 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 4820-00-499-4322 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-499-4322 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 4820-00-499-4322 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Jun 23, 1971