4820-01-011-8241

Find complete technical information, availability, and procurement data for: 4820-01-011-8241
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-011-8241

Item Name Code

05488

Assigment Date

10/30/1975 (50 years ago)

poppet flow control device, right-hand all ends thread direction, 15.0 gallons per minute valve discharge flow rate, spring disk loading method, 3a all ends thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Valve Discharge Flow Rate: 15.0 gallons per minute
Maximum Operating Temp: 225.0 fahrenheit single response
Connection Style: flared (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Thread Quantity Per Inch: 12 all ends
Adjustable Pressure Range: +40.0 to 125.0 pounds per square inch
Maximum Operating Pressure: 125.0 pounds per square inch single response
Nominal Thread Size: 1.062 inches all ends
Seat Angle: 37.0 degrees all ends
Opening Pressure Setting: 90.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.750 inches all ends
Material: rubber synthetic seat
Material: steel comp 303 body
Material: steel comp 303 flow control device
Material Document And Classification: fed std 66,aisi 303/sae 30303 fed std single material response body
Material Document And Classification: fed std 66,aisi 303/sae 30303 fed std single material response flow control device
Media For Which Designed: fuel/oil, hydrocarbon 1st response
Media For Which Designed: water-oil-gas 2nd response
Surface Treatment: passivate
Style Designator: angle
Thread Series Designator: unj 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
649XB3-12-2	Safety Relief Valve
910208-1	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-011-8241?

The FSCG of the NSN 4820-01-011-8241 is 4820

Does the NSN 4820-01-011-8241 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-011-8241 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 4820-01-011-8241 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-011-8241 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 4820-01-011-8241 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Thu, Oct 30, 1975