S665-12-1/4SS22

View detailed technical data, stock status, and sourcing information for: S665-12-1/4SS22
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part S665-12-1/4SS22 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-022-3871

Item Name Code

05488

Assigment Date

05/28/1976 (50 years ago)

pressed-in renewable seat ring type, spring disk loading method, poppet flow control device, right-hand all ends thread direction, 4.0 gallons per minute valve discharge flow rate

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
Valve Discharge Flow Rate: 4.0 gallons per minute
Renewable Seat Ring Type: pressed-in
Maximum Operating Temp: 300.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Features Provided: pressure tight outlet side
Power Drive Operating Pressure: 2000.0 pounds per square inch nominal
Adjustable Pressure Range: +2000.0 to 3100.0 pounds per square inch
Maximum Operating Pressure: 3100.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Opening Pressure Setting: 2600.0 pounds per square inch
Material: rubber chloroprene class cr seat
Material: steel body
Material: steel flow control device
Surface Treatment: passivate
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
S665-12-1/4SS22	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-022-3871?

The FSCG of the NSN 4820-01-022-3871 is 4820

Does the NSN 4820-01-022-3871 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-022-3871 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 4820-01-022-3871 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-022-3871 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 4820-01-022-3871 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Fri, May 28, 1976