46H0-208/M5 CDS6

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-338-6420

Item Name Code

05488

Assigment Date

05/08/1991 (35 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.

disk flow control device, inside spring bonnet type, 8 all ends bolt hole quantity, integral bonnet attachment method, 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.

Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: integral
Disk Loading Method: spring
Bolt Hole Quantity: 8 all ends
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 4.000 inches
Adjustable Pressure Range: +34.0 to 38.0 pounds per square inch
Nominal Outside Diameter: 7.688 inches all ends
Nominal Thickness: 0.500 inches all ends
First Connection Face To Centerline Distance: 7.000 inches
Bolt Hole Nominal Diameter: 0.562 inches all ends
Second Connection Face To Centerline Distance: 6.188 inches
Bolt Circle Nominal Diameter: 6.562 inches all ends
Flange Face Design: plain all ends
Material: copper alloy bodynickel alloy flow control devicenickel alloy seatnickel alloy stem
Media For Which Designed: water, salt 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
46H0-208/M5 CDS6	Safety Relief Valve
46H0-208/M5 CDS653 NMP-1116	Safety Relief Valve
46H0-208/M5 CDS653 NMP-116	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-338-6420?

The FSCG of the NSN 4820-01-338-6420 is 4820

Does the NSN 4820-01-338-6420 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-338-6420 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 4820-01-338-6420 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-338-6420 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 4820-01-338-6420 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Wed, May 8, 1991