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4820-00-889-2424

Find complete technical information, availability, and procurement data for: 4820-00-889-2424

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4820-00-889-2424
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-889-2424
Item Name Code
05488
Assigment Date
01/01/1962 (64 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

8500.0 pounds per hour valve discharge flow rate, spring disk loading method, 4 1st end bolt hole quantity, poppet flow control device, threaded renewable seat ring type

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
Disk Loading Method
spring
Valve Discharge Flow Rate
8500.0 pounds per hour
Renewable Seat Ring Type
threaded
Bolt Hole Quantity
4 1st end
Bolt Hole Quantity
8 2nd end
Nominal Length
0.875 inches 1st end
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
Features Provided
valve stem lock shield
Adjustable Pressure Range
+640.0 to 699.0 pounds per square inch
Nominal Outside Diameter
6.125 inches 1st end
Nominal Outside Diameter
6.500 inches 2nd end
Nominal Thickness
0.812 inches 2nd end
Bolt Hole Nominal Diameter
0.750 inches 2nd end
Bolt Hole Nominal Diameter
0.875 inches 1st end
Bolt Circle Nominal Diameter
4.500 inches 1st end
Bolt Circle Nominal Diameter
5.000 inches 2nd end
Flange Face Design
raised straight 1st end
Flange Face Design
raised straight 2nd end
Raised Face Nominal Height
0.062 inches 2nd end
Raised Face Nominal Height
0.500 inches 1st end
Raised Face Nominal Diameter
3.625 inches 2nd end
Raised Face Nominal Diameter
3.562 inches 1st end
Style Designator
angle

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
34153-2 Safety Relief Valve
A34153ANDCDSH45856 Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-889-2424?
The FSCG of the NSN 4820-00-889-2424 is 4820
Does the NSN 4820-00-889-2424 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-889-2424 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 4820-00-889-2424 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-889-2424 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 4820-00-889-2424 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

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