4820-00-813-7391

Find complete technical information, availability, and procurement data for: 4820-00-813-7391
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-813-7391

Item Name Code

05487

Assigment Date

03/27/1968 (58 years ago)

2b all ends thread class, 180.0 fahrenheit single response maximum 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 Class: 2b all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 180.0 fahrenheit single response
Connection Style: flare (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded internal tube all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 18 all ends
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.438 inches all ends
Nominal Outside Diameter Tube Accommodated: 0.250 inches all ends
Material: aluminum alloy 2024 body
Material: steel comp 321 flow control device
Material: steel comp 321 seat
Material Document And Classification: fed std 66,aisi 321/sae 30321 fed std single material response flow control device
Material Document And Classification: fed std 66,aisi 321/sae 30321 fed std single material response seat
Material Document And Classification: qq-a-225/6,alloy 2024 fed spec single material response body
Media For Which Designed: fuel/oil, hydrocarbon single response
Style Designator: straight thru
Thread Series Designator: uns 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
269A4BB	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-813-7391?

The FSCG of the NSN 4820-00-813-7391 is 4820

Does the NSN 4820-00-813-7391 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-813-7391 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 4820-00-813-7391 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-813-7391 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 4820-00-813-7391 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Mar 27, 1968