4820-00-406-3237

Find complete technical information, availability, and procurement data for: 4820-00-406-3237
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-406-3237

Item Name Code

05488

Assigment Date

04/13/1970 (56 years ago)

An item constructed of one or more layers of thin flexible material, either laminated or separated, designed to form a tight seal between the chambers of a valve, and to transmit pressure inducted motion to a valve disk either directly or through a mechanical linkage. The surface of the item must be formed or molded to have a beaded or rolled edge, ribs or any other raised surfaces. The item may contain bolt holes and/or center holes. Excludes:diaphra gm, valve, flat and gasket.

spring disk loading method, right-hand all ends thread direction, plain,optional end(pipe) all ends connection style, 12.0 gallons per minute valve discharge flow rate, ball flow control device

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: ball
Disk Loading Method: spring
Valve Discharge Flow Rate: 12.0 gallons per minute
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Facility: threaded fastener
Maximum Operating Pressure: 8000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Opening Pressure Setting: 6000.0 pounds per square inch
Material: steel corrosion resisting or aluminum alloy body
Material: steel corrosion resisting or aluminum alloy seat
Material: steel corrosion resisting or steel stem
Material: steel flow control device
Media For Which Designed: fuel/oil, hydrocarbon 1st response
Media For Which Designed: oil 2nd response
Surface Treatment: passivate
Style Designator: angle
Thread Series Designator: nptf 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
1D21F2T80S	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-406-3237?

The FSCG of the NSN 4820-00-406-3237 is 4820

Does the NSN 4820-00-406-3237 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-406-3237 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 4820-00-406-3237 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-406-3237 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 4820-00-406-3237 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Apr 13, 1970