AB-A034-4K4DAQG

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-408-0139

Item Name Code

05488

Assigment Date

02/08/1995 (31 years ago)

A device designed to prevent foreign particles from entering the air intake system of an internal combustion engine or air compressor. Excludes:mufflers.

4.0 gallons per minute valve discharge flow rate, 18.5 pounds per square inch opening pressure setting, disk flow control device, valve size 0.250 in. special features, automatic valve operation method

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
Valve Discharge Flow Rate: 4.0 gallons per minute
Valve Operation Method: automatic
Opening Pressure Setting: 18.5 pounds per square inch
Special Features: valve size 0.250 in.

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
AB-A034-4K4DAQG	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-408-0139?

The FSCG of the NSN 4820-01-408-0139 is 4820

Does the NSN 4820-01-408-0139 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-408-0139 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 4820-01-408-0139 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-408-0139 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 4820-01-408-0139 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Feb 8, 1995