1/4-4411-T-SE

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-286-3168

Item Name Code

20962

Assigment Date

09/30/1988 (37 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.

right-hand all ends thread direction, plain,optional end(pipe) all ends connection style, 450.0 fahrenheit single response maximum operating temp, threaded internal pipe all ends connection type, manual valve operation method

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
Maximum Operating Temp: 450.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Maximum Operating Pressure: 1000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy stem
Material: plastic polytetrafluoroethylene packing
Material: plastic polytetrafluoroethylene seat
Media For Which Designed: water-oil-gas single 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
"1/4"-411-T-SE"	Ball Valve
1/4 411TSE	Ball Valve
1/4-4411-T-SE	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-286-3168?

The FSCG of the NSN 4820-01-286-3168 is 4820

Does the NSN 4820-01-286-3168 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801085

Does NSN 4820-01-286-3168 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 4820-01-286-3168 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-286-3168 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 4820-01-286-3168 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Fri, Sep 30, 1988