NSN 4820-00-857-8247

Check Valve

FSC: 4820     NIIN: 008578247

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Product Characteristics

NSN:
4820008578247
Demilitarization:
NO
INC:
05487
Shelf Life:
N/A
Thread Class:
3a 1st end
Thread Direction:
Right-hand 1st end
Flow Control Device:
Poppet
Disk Loading Method:
Spring
Connection Style:
Flared (tube) 1st end
Connection Type:
Threaded external tube 1st end
Mounting Position:
Horizontal
Thready Qty Per Inch (tpi):
20 1st end
Maximum Operating Pressure:
3000.0 pounds per square inch single response
Thread Size:
0.438 inches 1st end
Seat Angle:
37.0 degrees 1st end
Outside Diameter Tube Accommodated:
0.250 inches 1st end
Material:
Aluminum alloy seat
Media For Which Designed:
Hydraulic fluid, phosphate-ester base single response
Surface Treatment:
Anodize
Surface Treatment Specification:
Mil-a-8625, type 1 military specification single treatment response
Style Designator:
Straight thru
Test Data Document:
36659-668455 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Thread Series Designator:
Unf 1st end

Part Numbers

  • 668455
    LOCKHEED MARTIN CORPORATION
  • 668455-1
    LOCKHEED MARTIN CORPORATION
  • P6-300
    CIRCOR AEROSPACE, INC.

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

8481309000 - Check valves of materials other than copper, iron or steel.

Professional Distribution

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

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