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Worldwide distributor of NSN parts and consumables located in the USA.

Check Valve

Model / MPN: 5521853 | NSN: 4820-01-418-4266
ITAR Registered seal

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.

Product Details
NATO Stock Number
4820-01-418-4266
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Maximum Operating Temp
400.0 degrees fahrenheit single response
End Application
Gun mount, mk75 gm
Connection Style
Flareless all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Mounting Position
Horizontal
Thready Qty Per Inch (tpi)
12 all ends
Maximum Operating Pressure
5000.0 pounds per square inch single response
Thread Size
1.312 inches all ends
Seat Angle
24.0 degrees all ends
Opening Pressure Setting
10.0 pounds per square inch
Material
Steel comp 316 body
Style Designator
Straight thru
Thread Series Designator
Unj all ends
55218 Series Parts

Pricing and Availability

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5521853 Cross Reference