8222439

View detailed technical data, stock status, and sourcing information for: 8222439
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-158-8497

Item Name Code

05488

Assigment Date

07/30/1983 (42 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

right-hand all ends thread direction, plain (pipe) 1st end connection style, 400.0 fahrenheit single response maximum operating temp, 3655010899563 end item identification, -100.0 fahrenheit minimum 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
Maximum Operating Temp: 400.0 fahrenheit single response
Minimum Operating Temp: -100.0 fahrenheit
End Item Identification: 3655010899563
Connection Style: plain (pipe) 1st end
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Maximum Operating Pressure: 2400.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Opening Pressure Setting: 400.0 pounds per square inch
Material: copper alloy body
Style Designator: straight thru note: to be used for valve bodies of one section only.
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
5120B-2MP-400	Safety Relief Valve
8222439	Safety Relief Valve
A046900003	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-158-8497?

The FSCG of the NSN 4820-01-158-8497 is 4820

Does the NSN 4820-01-158-8497 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-158-8497 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 4820-01-158-8497 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-158-8497 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 4820-01-158-8497 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sat, Jul 30, 1983