4820-00-963-3983

Find complete technical information, availability, and procurement data for: 4820-00-963-3983
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-963-3983

Item Name Code

05487

Assigment Date

06/01/1966 (60 years ago)

cone flow control device, spring disk loading method, right-hand all ends thread direction, -40.0 fahrenheit 1st response maximum operating temp, 250.0 fahrenheit 2nd 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.

Thread Direction: right-hand all ends
Flow Control Device: cone
Disk Loading Method: spring
Maximum Operating Temp: -40.0 fahrenheit 1st response
Maximum Operating Temp: 250.0 fahrenheit 2nd response
End Item Identification: grumman aircraft,model a10
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 18 1st end
Maximum Operating Pressure: 5000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Special Features: other media utilized: alcohol,ethylene glycol,freon 12,gasoline,helium,hydrogen,hydraulic fluid (mineral base),lube oil,natural gas,nitrogen,water; cracking pressure 9.5 - 1.5 psi
Material: copper alloy overall
Media For Which Designed: acetylene 1st response
Media For Which Designed: air 2nd response
Media For Which Designed: ammonia, liquid 4th response
Media For Which Designed: ammonia, gaseous 3rd response
Media For Which Designed: carbon dioxide 5th response
Style Designator: straight thru
Thread Series Designator: npt all ends

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
2359B-2PP	Check Valve
65373	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-963-3983?

The FSCG of the NSN 4820-00-963-3983 is 4820

Does the NSN 4820-00-963-3983 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-00-963-3983 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 4820-00-963-3983 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-963-3983 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 4820-00-963-3983 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Jun 1, 1966