4820-01-166-5347

Find complete technical information, availability, and procurement data for: 4820-01-166-5347
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-166-5347

Item Name Code

05487

Assigment Date

11/15/1983 (42 years ago)

right-hand 2nd end thread direction, disk flow control device, 3b 1st end thread class, right-hand 1st end thread direction, 3a 2nd end 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 2nd end
Thread Class: 3b 1st end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 525.0 fahrenheit single response
Connection Style: external seat for gasket seal (boss) 2nd end
Connection Style: gasket seal (boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded external boss 2nd end
Connection Type: threaded internal boss 1st end
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 1st end
Thread Quantity Per Inch: 12 2nd end
Maximum Operating Pressure: 70.0 pounds per square inch single response
Nominal Thread Size: 1.312 inches 1st end
Nominal Thread Size: 1.312 inches 2nd end
Seat Angle: 37.0 degrees 2nd end
Material: steel comp 630 body
Media For Which Designed: nitrogen, gaseous single response
Surface Treatment: passivate
Surface Treatment Document And Classification: mil-s-5002 mil spec single treatment response
Style Designator: straight thru
Thread Series Designator: unj 1st end
Thread Series Designator: unj 2nd end

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
2S2720	Check Valve
2S6576	Check Valve
LE284-0031-0003	Check Valve
LE284-0031-0004	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-166-5347?

The FSCG of the NSN 4820-01-166-5347 is 4820

Does the NSN 4820-01-166-5347 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-166-5347 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 4820-01-166-5347 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-166-5347 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 4820-01-166-5347 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Nov 15, 1983