4820-01-436-8397

Find complete technical information, availability, and procurement data for: 4820-01-436-8397
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-436-8397

Item Name Code

05483

Assigment Date

09/27/1996 (29 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

threaded external tube 1st end connection type, right-hand 1st end thread direction, divers life support system end item identification, manual valve operation method, 3a 1st end thread class

Product Characteristics

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

Thread Class: 3a 1st end
Thread Direction: right-hand 1st end
End Item Identification: divers life support system
Valve Operation Method: manual
Connection Type: threaded external tube 1st end
Thread Quantity Per Inch: 12 1st end
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 1.312 inches 1st end
Criticality Code Justification: supp
Special Features: cga 540 connection 2nd end
Material: copper alloy overall
Media For Which Designed: oxygen, liquid single response
Surface Treatment: chromium and nickel
Surface Treatment Document And Classification: qq-c-320,cl 2,ty 1 fed spec 1st treatment response and qq-n-290,cl 2,ty vii fed spec 2nd treatment response
Style Designator: angle
Supplementary Features: special cleaning for oxygen service per mil-std-1330
Thread Series Designator: unj 1st end
Furnished Items And Quantity: 1 relief plug

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
12540X1312-20P	Angle Valve
592-6768203	Angle Valve
6768203	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-01-436-8397?

The FSCG of the NSN 4820-01-436-8397 is 4820

Does the NSN 4820-01-436-8397 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801095

Does NSN 4820-01-436-8397 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 4820-01-436-8397 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-436-8397 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 4820-01-436-8397 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Fri, Sep 27, 1996