20067D02S0055 CDS-16339CP

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-375-4534

Item Name Code

16996

Assigment Date

05/11/1993 (33 years ago)

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

3.562 inches nominal first connection face to centerline distance, 180.0 fahrenheit temp rating, identical second end relationship with first end, "angle give "adqm" and "adqn" only if flanged one or two ends" body style, oxygen media for which designed

Product Characteristics

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

Body Style: "angle give "adqm" and "adqn" only if flanged one or two ends"
Temp Rating: 180.0 fahrenheit
Media For Which Designed: oxygen
Second End Relationship With First End: identical
First Connection Face To Centerline Distance: 3.562 inches nominal
Second Connection Face To Centerline Distance: 3.562 inches nominal
End Connection Quantity: 2
Adjustable Pressure Range: +45.0 to 55.0 pounds per square inch
Valve Discharge Flow Rate: 65.0 cubic feet per minute
End Item Identification: valve relief .75ips
Criticality Code Justification: zzzy
Material: copper alloy body
Material: nickel alloy seat
Material: nickel alloy stem
Reference Number Differentiating Characteristics: cleaning, packaging, and marking iaw the latest revision of mil-std-1330

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
20067D02S0055 CDS-16339	Pressure and Temper Relief Valve
20067D02S0055 CDS-16339CP	Pressure and Temper Relief Valve
20067D02S0055CP	Pressure and Temper Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-375-4534?

The FSCG of the NSN 4820-01-375-4534 is 4820

Does the NSN 4820-01-375-4534 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-375-4534 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 4820-01-375-4534 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-375-4534 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 4820-01-375-4534 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Tue, May 11, 1993