3835-27

View detailed technical data, stock status, and sourcing information for: 3835-27
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-005-7394

Item Name Code

05488

Assigment Date

06/11/1972 (54 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.

integral bonnet attachment method, inside spring bonnet type, spring disk loading method, piston flow control device, right-hand 1st end thread direction

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 1st end
Flow Control Device: piston
Bonnet Type: inside spring
Bonnet Attachment Method: integral
Disk Loading Method: spring
Valve Discharge Flow Rate: 82.0 cubic feet per minute
Maximum Operating Temp: 300.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Maximum Operating Pressure: 225.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 1st end
Opening Pressure Setting: 150.0 pounds per square inch
Material: copper alloy overall
Media For Which Designed: air single response
Style Designator: angle
Thread Series Designator: npt 1st end

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
3835-27	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-005-7394?

The FSCG of the NSN 4820-00-005-7394 is 4820

Does the NSN 4820-00-005-7394 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-005-7394 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 4820-00-005-7394 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-005-7394 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 4820-00-005-7394 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sun, Jun 11, 1972