4820-01-439-6366

Find complete technical information, availability, and procurement data for: 4820-01-439-6366
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-439-6366

Item Name Code

05488

Assigment Date

12/13/1996 (29 years ago)

inside screw bonnet type, 8 1st end bolt hole quantity, bolted bonnet attachment method, spring disk loading method, disk 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.

Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Bolt Hole Quantity: 8 1st end
Bolt Hole Quantity: 8 2nd end
End Item Identification: usns stalwart class tagos
Valve Operation Method: automatic
Flange Shape: round with holes 1st end
Flange Shape: round with holes 2nd end
Connection Type: flange 1st end
Connection Type: flange 2nd end
Mounting Facility: bracket
Valve Size: 4.000 inches
Maximum Operating Pressure: 400.0 pounds per square inch single response
Opening Pressure Setting: 30.0 pounds per square inch
Nominal Outside Diameter: 10.000 inches 1st end
Nominal Outside Diameter: 9.000 inches 2nd end
Nominal Thickness: 0.937 inches 2nd end
Nominal Thickness: 1.250 inches 1st end
Bolt Hole Nominal Diameter: 0.750 inches 2nd end
Bolt Hole Nominal Diameter: 0.875 inches 1st end
Bolt Circle Nominal Diameter: 7.500 inches 2nd end
Bolt Circle Nominal Diameter: 7.875 inches 1st end
Flange Face Design: plain 2nd end
Flange Face Design: raised straight 1st end
Raised Face Nominal Height: 0.062 inches 1st end
Raised Face Nominal Diameter: 6.937 inches 1st end
Special Features: model 091k-m
Material: copper alloy flow control device
Material: iron body
Material: steel or copper alloy stem
Media For Which Designed: oil, lubricating, diester base 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
9549384	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-439-6366?

The FSCG of the NSN 4820-01-439-6366 is 4820

Does the NSN 4820-01-439-6366 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-439-6366 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 4820-01-439-6366 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-439-6366 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 4820-01-439-6366 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Fri, Dec 13, 1996