220T1-16TT

View detailed technical data, stock status, and sourcing information for: 220T1-16TT
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-236-7150

Item Name Code

05487

Assigment Date

07/22/1986 (40 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.

poppet flow control device, 450.0 fahrenheit single response maximum operating temp, right-hand all ends thread direction, spring disk loading method, 3a all ends thread class

Product Characteristics

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

Thread Class: 3a all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 450.0 fahrenheit single response
Connection Style: flared (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 all ends
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 1.312 inches all ends
Seat Angle: 37.0 degrees all ends
Opening Pressure Setting: 8.0 pounds per square inch
Material: plastic polytetrafluoroethylene packing
Material: steel corrosion resisting body
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru
Thread Series Designator: unj all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-137-9070	No Name Available	09/01/1992

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
220T1-16TT	Check Valve
232T1-16TT-7	Check Valve
S232T16TT7	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-236-7150?

The FSCG of the NSN 4820-01-236-7150 is 4820

Does the NSN 4820-01-236-7150 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-236-7150 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-236-7150 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-236-7150 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 4820-01-236-7150 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Tue, Jul 22, 1986