4820-01-237-0104

Find complete technical information, availability, and procurement data for: 4820-01-237-0104
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-237-0104

Item Name Code

05488

Assigment Date

07/24/1986 (39 years ago)

4 all ends bolt hole quantity, round with holes all ends flange shape, disk flow control device, automatic valve operation method, 850.0 fahrenheit single response maximum operating temp

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
Bolt Hole Quantity: 4 all ends
Maximum Operating Temp: 850.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 2.500 inches
Adjustable Pressure Range: +558.0 to 677.0 pounds per square inch
Maximum Operating Pressure: 600.0 pounds per square inch single response
Nominal Outside Diameter: 7.000 inches all ends
Nominal Thickness: 0.688 inches all ends
First Connection Face To Centerline Distance: 5.500 inches
Bolt Hole Nominal Diameter: 0.750 inches all ends
Second Connection Face To Centerline Distance: 5.750 inches
Bolt Circle Nominal Diameter: 5.500 inches all ends
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.062 inches all ends
Raised Face Nominal Diameter: 4.125 inches all ends
Material: glass and steel body
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting stem
Media For Which Designed: steam single response
Style Designator: angle 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-2185-S21/2IPS 558T677PSI	Safety Relief Valve
L-3220-A21/2IPS 558T677PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-237-0104?

The FSCG of the NSN 4820-01-237-0104 is 4820

Does the NSN 4820-01-237-0104 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-237-0104 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 4820-01-237-0104 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-237-0104 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 4820-01-237-0104 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Jul 24, 1986