8521A221

View detailed technical data, stock status, and sourcing information for: 8521A221
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Federal Supply Group

Valves

Federal Supply Classification

4810 Powered Valves

National Stock Number

4810-01-011-2243

Item Name Code

10998

Assigment Date

10/20/1975 (50 years ago)

closed flow control device normal operation position, plain (tube) all ends connection style, 0.312 inches nominal aperture diameter, 200.0 fahrenheit single response maximum operating temp, diaphragm 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.

Aperture Diameter: 0.312 inches nominal
Flow Control Device: diaphragm
Flow Control Device Normal Operation Position: closed
Maximum Operating Temp: 200.0 fahrenheit single response
Connection Style: plain (tube) all ends
Current Rating In Amps: 0.100
Valve Operation Method: solenoid
Connection Type: unthreaded internal tube all ends
Mounting Position: horizontal or vertical
Inlet/Outlet Operating Pressure Differential: 2.0 pounds per square inch minimum and 300.0 pounds per square inch maximum
Maximum Operating Pressure: 400.0 pounds per square inch single response
Nominal Outside Diameter Tube Accommodated: 0.375 inches all ends
Phase: two
Frequency In Hertz: 60.0
Material: copper alloy body
Material: plastic polytetrafluoroethylene seat
Material: steel corrosion resisting flow control device
Media For Which Designed: refrigerant 12 1st response
Media For Which Designed: refrigerant 22 2nd response
Style Designator: straight thru

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
8521A221	Solenoid Valve
VALVE BODY 9AVC21A221	Solenoid Valve
VALVE COIL VC9AFT-120/60	Solenoid Valve

FAQs

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

What is the FSCG of the NSN 4810-01-011-2243?

The FSCG of the NSN 4810-01-011-2243 is 4810

Does the NSN 4810-01-011-2243 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809005

Does NSN 4810-01-011-2243 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 4810-01-011-2243 contain precious materials?

Precious metal content is unknown

Does NSN 4810-01-011-2243 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 4810-01-011-2243 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Mon, Oct 20, 1975