4820-01-419-3644

Find complete technical information, availability, and procurement data for: 4820-01-419-3644
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-419-3644

Item Name Code

05488

Assigment Date

09/20/1995 (30 years ago)

450.0 fahrenheit single response maximum operating temp, -20.0 fahrenheit minimum operating temp, spring disk loading method, poppet flow control device, right-hand all ends thread direction

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: poppet
Disk Loading Method: spring
Maximum Operating Temp: 450.0 fahrenheit single response
Minimum Operating Temp: -20.0 fahrenheit
End Item Identification: 407m4q
Connection Style: flared (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Maximum Operating Pressure: 1000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Seat Angle: 37.0 degrees all ends
Opening Pressure Setting: 5000.0 pounds per square inch
Material: steel corrosion resisting body
Media For Which Designed: fuel/oil, hydrocarbon single response
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
407M4Q-V	Safety Relief Valve
407M4Q9V	Safety Relief Valve
626230	Safety Relief Valve
626230-1	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-419-3644?

The FSCG of the NSN 4820-01-419-3644 is 4820

Does the NSN 4820-01-419-3644 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-419-3644 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 4820-01-419-3644 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-419-3644 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 4820-01-419-3644 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Wed, Sep 20, 1995