4820-01-052-2449

Find complete technical information, availability, and procurement data for: 4820-01-052-2449
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-052-2449

Item Name Code

05488

Assigment Date

12/12/1977 (48 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.

spring disk loading method, socket with brazing ring (tube) all ends connection style, automatic valve operation method, ship,ohio class ssn(trident) end item identification, disk flow control device

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: disk
Disk Loading Method: spring
End Item Identification: ship,ohio class ssn(trident)
Connection Style: socket with brazing ring (tube) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal tube all ends
Adjustable Pressure Range: +30.0 to 34.0 pounds per square inch
Maximum Operating Pressure: 34.0 pounds per square inch single response
Nominal Outside Diameter Tube Accommodated: 0.313 inches all ends
Material: copper alloy body
Material: nickel alloy flow control device
Material: nickel alloy seat
Material: nickel alloy stem
Material Document And Classification: qq-n-281 fed spec single material response flow control device
Material Document And Classification: qq-n-281 fed spec single material response seat
Material Document And Classification: qq-n-281 fed spec single material response stem
Material Document And Classification: qq-c-390,alloy d4/d/ fed spec single material response body
Style Designator: angle
Furnished Items And Quantity: 1 plugged drain

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
2027401S0030	Safety Relief Valve
20274F51M	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-052-2449?

The FSCG of the NSN 4820-01-052-2449 is 4820

Does the NSN 4820-01-052-2449 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-052-2449 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 4820-01-052-2449 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-052-2449 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 4820-01-052-2449 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Mon, Dec 12, 1977