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4820-01-339-8489

Find complete technical information, availability, and procurement data for: 4820-01-339-8489

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4820-01-339-8489
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-339-8489
Item Name Code
05487
Assigment Date
06/02/1991 (35 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

3a 2nd end thread class, 3a 1st end thread class, right-hand 2nd end thread direction, right-hand 1st end thread direction, 3a 3rd 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 1st end
Thread Class
3a 2nd end
Thread Class
3a 3rd end
Thread Direction
right-hand 1st end
Thread Direction
right-hand 2nd end
Thread Direction
right-hand 3rd end
Flow Control Device
disk
Connection Style
flareless 1st end
Connection Style
flareless 2nd end
Connection Style
gasket seal (boss) 3rd end
Valve Operation Method
automatic
Connection Type
threaded external boss 1st end
Connection Type
threaded external boss 2nd end
Connection Type
threaded internal boss 3rd end
Mounting Position
horizontal
Thread Quantity Per Inch
12 1st end
Thread Quantity Per Inch
12 2nd end
Thread Quantity Per Inch
12 3rd end
Nominal Thread Size
1.062 inches 1st end
Nominal Thread Size
1.062 inches 2nd end
Nominal Thread Size
1.062 inches 3rd end
Seat Angle
12.0 degrees 1st end
Seat Angle
12.0 degrees 2nd end
Material
steel comp 304 body
Style Designator
tee
Thread Series Designator
unj 1st end
Thread Series Designator
unj 2nd end
Thread Series Designator
unj 3rd end

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Part Number Name
SS70-911M-12J Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-339-8489?
The FSCG of the NSN 4820-01-339-8489 is 4820
Does NSN 4820-01-339-8489 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 4820-01-339-8489 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-339-8489 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 4820-01-339-8489 was assigned to the Federal Catalog?
It was assigned 35 years ago, on Sun, Jun 2, 1991

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