4820-01-237-6169

Find complete technical information, availability, and procurement data for: 4820-01-237-6169
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-237-6169

Item Name Code

05488

Assigment Date

08/03/1986 (39 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.

-40.0 fahrenheit minimum operating temp, spring disk loading method, right-hand all ends thread direction, disk flow control device, 250.0 fahrenheit single response maximum operating temp

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
Minimum Operating Temp: -40.0 fahrenheit
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Adjustable Pressure Range: +0.5 to 140.0 pounds per square inch
Maximum Operating Pressure: 400.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches all ends
Opening Pressure Setting: 80.0 pounds per square inch
Material: aluminum alloy overall
Material Document And Classification: qq-a-225/6 fed spec single material response body
Media For Which Designed: gas, inert single response
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625 ty 1 mil spec single treatment response
Style Designator: straight thru
Thread Series Designator: npt all 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
7M304D6N0800	Safety Relief Valve
RV05-77-80.0	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-237-6169?

The FSCG of the NSN 4820-01-237-6169 is 4820

Does the NSN 4820-01-237-6169 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-237-6169 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 4820-01-237-6169 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-237-6169 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 4820-01-237-6169 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sun, Aug 3, 1986