451D4A-A10-475

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-078-7169

Item Name Code

05488

Assigment Date

06/19/1979 (47 years ago)

gasket seal(boss) all ends connection style, right-hand all ends thread direction, 3b all ends thread class, a-10a aircraft end item identification, poppet 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.

Thread Class: 3b all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
End Item Identification: a-10a aircraft
Connection Style: gasket seal(boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal boss all ends
Adjustable Pressure Range: +400.0 to 800.0 pounds per square inch
Maximum Operating Pressure: 4000.0 pounds per square inch single response
Nominal Thread Size: 0.438 inches all ends
Opening Pressure Setting: 475.0 pounds per square inch
Material: aluminum alloy 2024 body
Style Designator: angle
Thread Series Designator: unf 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
20028798	Safety Relief Valve
451D4A-A10-475	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-078-7169?

The FSCG of the NSN 4820-01-078-7169 is 4820

Does the NSN 4820-01-078-7169 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-078-7169 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 4820-01-078-7169 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-078-7169 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 4820-01-078-7169 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Tue, Jun 19, 1979