B-12217-IN-0000

View detailed technical data, stock status, and sourcing information for: B-12217-IN-0000
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-061-0232

Item Name Code

05486

Assigment Date

06/10/1978 (48 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

disk flow control device, threaded bonnet attachment method, outside screw-yoke bonnet type, 4 all ends bolt hole quantity, spring disk loading 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
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Bolt Hole Quantity: 4 all ends
Maximum Operating Temp: 450.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Mounting Position: horizontal
Valve Size: 1.250 inches
Maximum Operating Pressure: 300.0 pounds per square inch single response
Nominal Outside Diameter: 4.625 inches all ends
Face To Face Distance: 6.000 inches
Nominal Thickness: 0.406 inches all ends
Bolt Hole Nominal Diameter: 0.500 inches all ends
Bolt Circle Nominal Diameter: 3.875 inches all ends
Flange Face Design: plain all ends
Material: copper alloy body
Material: copper alloy packing
Material: nickel alloy flow control device
Material: nickel alloy seat
Material: nickel alloy stem
Material Document And Classification: qq-n-281 fed spec single material response stem
Material Document And Classification: qq-n-288 fed spec single material response flow control device
Material Document And Classification: qq-n-288 fed spec single material response seat
Media For Which Designed: steam 1st response
Media For Which Designed: water, salt 2nd response
Style Designator: straight thru flanged 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
B-12217-IN-0000	Stop-Check Valve
B12217-EN000011/4IN	Stop-Check Valve
B12217-IN00001 1/4IN	Stop-Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-061-0232?

The FSCG of the NSN 4820-01-061-0232 is 4820

Does the NSN 4820-01-061-0232 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-061-0232 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 4820-01-061-0232 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-061-0232 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 4820-01-061-0232 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Jun 10, 1978