DNX62FF-15-3K4

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-307-9309

Item Name Code

05488

Assigment Date

09/19/1989 (36 years ago)

A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.

8 all ends bolt hole quantity, bolted bonnet attachment method, disk flow control device, inside screw bonnet type, 650.0 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
Bonnet Type: inside screw
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 8 all ends
Maximum Operating Temp: 650.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 3.000 inches
Adjustable Pressure Range: +156.0 to 180.0 pounds per square inch
Maximum Operating Pressure: 350.0 pounds per square inch single response
Nominal Outside Diameter: 8.250 inches 2nd end
Nominal Outside Diameter: 9.000 inches 1st end
Nominal Thickness: 0.938 inches 1st end
Nominal Thickness: 1.125 inches 2nd end
First Connection Face To Centerline Distance: 6.094 inches
Bolt Hole Nominal Diameter: 0.750 inches 1st end
Bolt Hole Nominal Diameter: 0.875 inches 2nd end
Second Connection Face To Centerline Distance: 6.969 inches
Bolt Circle Nominal Diameter: 6.625 inches 2nd end
Bolt Circle Nominal Diameter: 7.500 inches 1st end
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.062 inches all ends
Raised Face Nominal Diameter: 5.000 inches 2nd end
Raised Face Nominal Diameter: 6.188 inches 1st end
Material: steel 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
20040-3X4-156T1	Safety Relief Valve
20040R51 SSTL 1	Safety Relief Valve
20040R51SS	Safety Relief Valve
DNX62FF-15-3K4	Safety Relief Valve
UCNCPN15SKKM	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-307-9309?

The FSCG of the NSN 4820-01-307-9309 is 4820

Does the NSN 4820-01-307-9309 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-307-9309 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 4820-01-307-9309 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-307-9309 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 4820-01-307-9309 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Tue, Sep 19, 1989