4820-00-404-7707

Find complete technical information, availability, and procurement data for: 4820-00-404-7707
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-404-7707

Item Name Code

05488

Assigment Date

08/20/1969 (56 years ago)

bolted bonnet attachment method, disk flow control device, exposed spring bonnet type, spring disk loading method, 8500.0 pounds per hour valve discharge flow rate

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: exposed spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Valve Discharge Flow Rate: 8500.0 pounds per hour
Renewable Seat Ring Type: threaded
Bolt Hole Quantity: 4 2nd end
Bolt Hole Quantity: 8 1st end
Maximum Operating Temp: 850.0 fahrenheit single response
Valve Operation Method: manual
Flange Shape: round with holes 1st end
Flange Shape: round with holes 2nd end
Connection Type: flange 1st end
Connection Type: flange 2nd end
Valve Size: 1.000 inches
Adjustable Pressure Range: +700.0 to 769.0 pounds per square inch
Maximum Operating Pressure: 705.0 pounds per square inch single response
Criticality Code Justification: cqcy
Opening Pressure Setting: 705.0 pounds per square inch
Nominal Outside Diameter: 6.125 inches 2nd end
Nominal Outside Diameter: 7.500 inches 1st end
Nominal Thickness: 0.937 inches 2nd end
Nominal Thickness: 1.000 inches 1st end
First Connection Face To Centerline Distance: 4.750 inches
Bolt Hole Nominal Diameter: 0.875 inches 2nd end
Bolt Hole Nominal Diameter: 0.875 inches 1st end
Second Connection Face To Centerline Distance: 5.000 inches
Bolt Circle Nominal Diameter: 4.500 inches 2nd end
Bolt Circle Nominal Diameter: 5.875 inches 1st end
Flange Face Design: raised straight 1st end
Flange Face Design: raised straight 2nd end
Raised Face Nominal Height: 0.062 inches 1st end
Raised Face Nominal Height: 0.437 inches 2nd end
Raised Face Nominal Diameter: 3.562 inches 2nd end
Raised Face Nominal Diameter: 4.125 inches 1st end
Material: iron alloy 660 body
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting seat
Material: steel corrosion resisting stem
Style Designator: angle flanged ends
Reference Number Differentiating Characteristics: as differentiated by 1.500 in. pipe size 1st end and 2.500 in. pipe size 2nd end

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
A49149REVC1 1-2F2 1-2HNPF	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-404-7707?

The FSCG of the NSN 4820-00-404-7707 is 4820

Does the NSN 4820-00-404-7707 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-404-7707 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 4820-00-404-7707 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-404-7707 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 4820-00-404-7707 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Aug 20, 1969