220-T1-8PP

View detailed technical data, stock status, and sourcing information for: 220-T1-8PP
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-161-9300

Item Name Code

05487

Assigment Date

09/12/1983 (42 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.

spring disk loading method, right-hand all ends thread direction, poppet flow control device, 450.0 fahrenheit single response maximum operating temp, plain, optional end (pipe) all ends connection style

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: poppet
Disk Loading Method: spring
Maximum Operating Temp: 450.0 fahrenheit single response
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal
Maximum Operating Pressure: 3000.0 pounds per square inch 1st response
Maximum Operating Pressure: 3000.0 pounds per square inch 2nd response
Maximum Operating Pressure: 3000.0 pounds per square inch 3rd response
Nominal Thread Size: 0.125 inches all ends
Material: plastic polyurethane packing
Material: steel comp 303 body
Material Document And Classification: qq-s-764 fed spec single material response body
Media For Which Designed: air single response
Media For Which Designed: alcohol, methyl 2nd response
Media For Which Designed: fuel/oil, hydrocarbon 3rd 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
220-T1-8PP	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-161-9300?

The FSCG of the NSN 4820-01-161-9300 is 4820

Does the NSN 4820-01-161-9300 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-161-9300 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 4820-01-161-9300 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-161-9300 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 4820-01-161-9300 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Mon, Sep 12, 1983