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4820-00-101-7931

Find complete technical information, availability, and procurement data for: 4820-00-101-7931

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4820-00-101-7931
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-101-7931
Item Name Code
05487
Assigment Date
05/27/1968 (58 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 1st end thread class, 3a 2nd end thread class, right-hand 2nd end thread direction, piston flow control device, right-hand 1st end thread direction

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 Direction
right-hand 1st end
Thread Direction
right-hand 2nd end
Flow Control Device
piston
Connection Style
flared (tube) 1st end
Connection Style
flareless 2nd end
Valve Operation Method
automatic
Connection Type
threaded external tube 2nd end
Connection Type
threaded external tube 1st end
Thread Quantity Per Inch
18 1st end
Maximum Operating Pressure
600.0 pounds per square inch single response
Nominal Thread Size
0.562 inches 1st end
Nominal Thread Size
0.562 inches 2nd end
Seat Angle
12.0 degrees 2nd end
Seat Angle
37.0 degrees 1st end
Nominal Outside Diameter Tube Accommodated
0.375 inches 1st end
Nominal Outside Diameter Tube Accommodated
0.375 inches 2nd end
Style Designator
straight thru
Thread Series Designator
unf 1st end
Thread Series Designator
unf 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
821580 Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-101-7931?
The FSCG of the NSN 4820-00-101-7931 is 4820
Does the NSN 4820-00-101-7931 have a Schedule B code assigned?
Yes, the Schedule B code is 8481301090
Does NSN 4820-00-101-7931 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 4820-00-101-7931 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-101-7931 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 4820-00-101-7931 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Mon, May 27, 1968

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