4820-01-399-7417

Find complete technical information, availability, and procurement data for: 4820-01-399-7417
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-399-7417

Item Name Code

05488

Assigment Date

12/04/1994 (31 years ago)

A tube fitting with external threads other than pipe or hose series having an internal or external seating surface. The seating surface is designed to form a seal when mated with other tube fittings to retain fluids under pressure during equipment operation. For items without a specific seating surface which are designed to utilize a gasket or packing under the head for forming a seal, see plug, machine thread.

flange all ends connection type, 8 all ends bolt hole quantity, automatic valve operation method, poppet flow control device, round with holes all ends flange shape

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: poppet
Bolt Hole Quantity: 8 all ends
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 4.000 inches
Adjustable Pressure Range: +1.0 to 23.0 pounds per square inch
Opening Pressure Setting: 20.0 pounds per square inch
Nominal Outside Diameter: 9.000 inches all ends
Nominal Thickness: 0.938 inches all ends
Bolt Hole Nominal Diameter: 0.750 inches all ends
Second Connection Face To Centerline Distance: 7.188 inches
Bolt Circle Nominal Diameter: 7.500 inches all ends
Flange Face Design: plain all ends
Material: steel comp 416 flow control device
Material: steel comp 316l body
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
1187255	Safety Relief Valve
11878255	Safety Relief Valve
211065062	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-399-7417?

The FSCG of the NSN 4820-01-399-7417 is 4820

Does the NSN 4820-01-399-7417 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-399-7417 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 4820-01-399-7417 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-399-7417 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 4820-01-399-7417 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Sun, Dec 4, 1994