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

Check Valve

Model / MPN: 4033 3IN | NSN: 4820-01-239-8923
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
4820-01-239-8923
Sold in multiples of
1 EA
DEMIL
NO
Flow Control Device
Disk
Disk Loading Method
Weight
Bolt Hole Quantity
4 all ends
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Position
Horizontal
Valve Size
3.000 inches
Maximum Operating Pressure
150.0 pounds per square inch single response
Outside Diameter
7.500 inches all ends
Face To Face Distance
9.500 inches
Thickness
0.625 inches all ends
Bolt Hole Diameter
0.750 inches all ends
Bolt Circle Diameter
6.000 inches all ends
Flange Face Design
Plain all ends
Material
Copper alloy 836
Media For Which Designed
Steam 1st response
Media For Which Designed
Water-oil-gas 2nd response
Style Designator
Straight through flanged ends
Solicitations
Solicitation Description Qty UOM Close Date
SPE7MC17TD051 Valve, Check 2 EA 03/17/2017
SPE7MC17TG619 Valve, Check 2 EA 04/20/2017
SPE7MC17TQ393 Valve, Check 3 EA 07/20/2017
SPE7MC17TT531 Valve, Check 2 EA 09/18/2017
SPE7MC18T1731 Valve, Check 5 EA 11/13/2017
SPE7MC18T8135 Valve, Check 3 EA 04/09/2018
SPE7MC19T0529 Valve, Check 4 EA 10/22/2018
SPE7MC19T8957 Valve, Check 3 EA 04/29/2019

Pricing and Availability

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4033 3IN Cross Reference
  • K-4994-4033-3IN
  • B-1620-3IN
  • B-1620-A 3IN