NSN 4820-01-503-2497 Chest Valve

About this product

This quiet variable restrictor valve assembly has 2 valves: a restrictor valve and a check valve;operating pressure is 3000 psig; flow is 0.1 to 5 gpm at 75 psid min and 3300 psid max with fluid viscosity at atmospheric pressure between 73 and 77 centistokes; manually close assembly by turning adjust screw counterclockwise; has 4 helical coil inserts in body iaw ms124699 (.4375-20unf-3b) and 2 helical coil inserts in end cap iaw ms124696 (.250-28unf-3b); assembly may be mounted in any position w/o adversely affecting operation; media is hydraulic fluid; key component of this valve assembly is p/n 21270-801-1 quiet element which provides for extremely quiet operation.

Manufacturer part number 21270-001 for national stock number 4820015032497.

Datasheet

Product description

Manifold Valve Assembly NSN 4820-01-503-2497.
MPN or Model

21270-001
Schedule B
8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
NMF (National Motor Freight)
051080 - Faucets, Bibcocks, Gates Valves
Overall Length
8.870 inches
Overall Width
5.000 inches
End Application
Seawolf class ssn
Valve Operation Method
Hydraulic and manual
Valve Quantity
2
Body Material
Aluminum alloy 6061
Part Name Assigned By Controlling Agency
Restrictor valve assembly

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Manifold Valve Assembly

A device consisting of two or more valves of the same or different type in a common body or housing. It may have multiple end connections, and the valves function(s) may or may not be dependent of each other. For items consisting of two or more complete valves joined together, see valve assembly.

Pricing and Availability

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Manufacturer Part Numbers and Alternates

MPN manufacturer part number	Registrant or Supplier
21270-001	Sargent Aerospace & Defense, Llc
21270	Sargent Aerospace & Defense, Llc

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