4820-01-421-0134

Find complete technical information, availability, and procurement data for: 4820-01-421-0134
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-421-0134

Item Name Code

05488

Assigment Date

10/30/1995 (30 years ago)

An adapter having a flange connection on one end designed to connect with another flange connection or a compression type mounting pad. The other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. It is designed to join a flange or flange fitting to a tube or tube fitting in a straight line.

wasp class lhd end item identification, 150.0 fahrenheit single response maximum operating temp, automatic valve operation method, 4 all ends bolt hole quantity, spring disk loading method

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Disk Loading Method: spring
Bolt Hole Quantity: 4 all ends
Maximum Operating Temp: 150.0 fahrenheit single response
End Item Identification: wasp class lhd
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 2.500 inches
Adjustable Pressure Range: +72.0 to 88.0 pounds per square inch
Maximum Operating Pressure: 400.0 pounds per square inch single response
Nominal Outside Diameter: 6.000 inches 2nd end
Nominal Outside Diameter: 7.000 inches 1st end
Nominal Thickness: 0.500 inches 2nd end
Nominal Thickness: 0.563 inches 1st end
First Connection Face To Centerline Distance: 5.375 inches
Bolt Hole Nominal Diameter: 0.750 inches all ends
Second Connection Face To Centerline Distance: 5.375 inches
Bolt Circle Nominal Diameter: 4.750 inches 2nd end
Bolt Circle Nominal Diameter: 5.500 inches 1st end
Flange Face Design: plain all ends
Special Features: valve size 2in x 2 1/2in
Material: copper alloy 464 packing
Material: copper alloy 922 body
Material: nickel alloy r-405 flow control device
Material: nickel alloy 400 seat
Material: steel comp 303 stem
Media For Which Designed: water-oil-gas 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
R10AJ2K213-BM1	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-421-0134?

The FSCG of the NSN 4820-01-421-0134 is 4820

Does the NSN 4820-01-421-0134 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-421-0134 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 4820-01-421-0134 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-421-0134 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 4820-01-421-0134 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Mon, Oct 30, 1995