NSN 4820-01-013-9721

Restrictor Check Valve

FSC: 4820     NIIN: 010139721
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Product Characteristics

NSN:
4820010139721
Demilitarization:
NO
INC:
20520
Shelf Life:
N/A
Thread Direction:
Right-hand all ends
Flow Control Device:
Disk
Disk Loading Method:
Spring
Renewable Seat Ring Type:
Pressed-in
Connection Style:
Plain, optional end (pipe) all ends
Valve Operation Method:
Automatic
Connection Type:
Threaded internal pipe all ends
Mounting Position:
Horizontal
Maximum Operating Pressure:
1000.0 pounds per square inch single response
Thread Size:
0.250 inches all ends
Special Features:
Ported brass ball in secondary ofifice
Material:
Stainless steel flow control device
Material Specification:
Qq-b-626, alloy 360 federal specification single material response body
Media For Which Designed:
Helium 4th response
Style Designator:
Straight thru
Supplementary Features:
Additional flow control device: stem
Thread Series Designator:
Npt all ends
Furnished Items And Quantity:
1 nut

Part Numbers

  • 1-1256-1-1/4IPT
    CURTISS-WRIGHT FLOW CONTROL
  • 1656341
    CURTISS-WRIGHT FLOW CONTROL
  • 1656341REVD
    TELEDYNE INDUSTRIES INC
  • 410 1-4
    TELEDYNE INDUSTRIES INC
  • 410-1-4B2
    TELEDYNE INDUSTRIES INC
  • 8-1254-4
    PARKER-HANNIFIN CORPORATION
  • BUWEPSDWG1656341
    NAVAIR AND NAVSEA MANAGED

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

8481301090 - Check valves of copper having a pressure rating of 850 kpa or over.

Professional Distribution

  •   ITAR Registered
  •   DDTC Registered
  •   HAZMAT Certified
  •   AS9120 Quality Standards
  •   100% Quality Inspections
ITAR registered supplier

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NSN: 4820-01-013-9721 valve,restrictor check
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Cage Codes
CURTISS-WRIGHT FLOW CONTROL - 72352
TELEDYNE INDUSTRIES INC - 86768
PARKER-HANNIFIN CORPORATION - 09990
NAVAIR AND NAVSEA MANAGED - 10001