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NationalStockNumber.INFO

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

Check Valve

Model / MPN: 303300 | NSN: 4820-00-923-0625
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
4820-00-923-0625
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a 2nd end
Thread Class
3a 1st end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Style
Flared (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external boss 2nd end
Connection Type
Threaded external tube 1st end
Thready Qty Per Inch (tpi)
18 2nd end
Thready Qty Per Inch (tpi)
18 1st end
Maximum Operating Pressure
1500.0 pounds per square inch single response
Thread Size
0.562 inches 1st end
Thread Size
0.5625 inches 2nd end
Seat Angle
12.0 degrees 2nd end
Seat Angle
37.0 degrees 1st end
Outside Diameter Tube Accommodated
0.375 inches 2nd end
Outside Diameter Tube Accommodated
0.375 inches 1st end
Media For Which Designed
Fuel/oil, hydrocarbon single response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 2 military specification single treatment response
Style Designator
Straight thru
Thread Series Designator
Unf 1st end
Thread Series Designator
Unf 2nd end
30330 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE7MC17T4044 Valve, Check 27 EA 11/25/2016
SPE7MC17TT997 Valve, Check 43 EA 10/02/2017
SPE7MC19T001L Valve, Check 26 EA 05/28/2019
SPE7MC21T039C Valve, Check 21 EA 04/12/2021

Pricing and Availability

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303300 Cross Reference
  • 204-076-437-3
  • 204-076-437-003
  • 4CM9008D61
  • 3318-6
  • 3318-6
  • 3318-6
  • 303300