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NationalStockNumber.INFO

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

Check Valve

Model / MPN: 249T-4BT | NSN: 4820-01-130-2154
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
4820-01-130-2154
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a 1st end
Thread Class
3b 2nd end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
250.0 degrees fahrenheit single response
Connection Style
Flared (tube) 1st end
Connection Style
Gasket seal (boss) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Connection Type
Threaded internal boss 2nd end
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.438 inches 2nd end
Thread Size
0.438 inches 1st end
Seat Angle
37.0 degrees 1st end
Material
Steel comp 303 body
Material
Steel comp 303 flow control device and rubber butadiene-acrylonitrile class nbr flow control device
Media For Which Designed
Water-oil-gas 1st response
Media For Which Designed
Ammonia, gaseous 3rd response
Media For Which Designed
Hydraulic fluid, mineral base 2nd response
Surface Treatment
Passivate
Style Designator
Straight thru
Thread Series Designator
Unf 2nd end
Thread Series Designator
Unjf 1st end
249T Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE7M115TP087 Valve, Check 5 EA 06/05/2015

Pricing and Availability

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249T-4BT Cross Reference