NSN 4820-00-023-7140

Safety Relief Valve

FSC: 4820     NIIN: 000237140

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NSN 4820-00-023-7140 Description

3A 1ST end thread class, right-hand 1ST end , poppet flow control device, inside spring bonnet type, threaded bonnet attachment method.

Product Characteristics

NSN:
4820000237140
Demilitarization:
NO
INC:
05488
Shelf Life:
N/A
Thread Class:
3a 1st end
Thread Direction:
Right-hand 1st end
Flow Control Device:
Poppet
Bonnet Type:
Inside spring
Bonnet Attachment Method:
Threaded
Disk Loading Method:
Spring
Connection Style:
Flared (tube) 1st end
Valve Operation Method:
Automatic
Features Provided:
Valve stem lock shield and bonnet packing and pressure tight outlet side
Thready Qty Per Inch (tpi):
18 1st end
Adjustable Pressure Range:
+41.0 to 47.0 pounds per square inch
Maximum Operating Pressure:
347.0 pounds per square inch single response
Thread Size:
0.437 inches 1st end
Seat Angle:
37.0 degrees 1st end
Outside Diameter Tube Accommodated:
0.250 inches 1st end
Material:
Aluminum alloy seat
Style Designator:
Straight thru
Thread Series Designator:
Unf 1st end

Part Numbers

  • 658074-3
    LOCKHEED MARTIN CORPORATION
  • P37-220
    CIRCOR AEROSPACE, INC.

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

8481400000 - Safety or relief valves.

Professional Distribution

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

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