1-321-802-5889
Email Us

NSN 4820-00-139-4118

Velocity Fuse

About this product

Valve size 0.500 in..

Manufacturer part number 520A-8D-148 for national stock number 4820001394118.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-139-4118.

  • MPN or Model

    520A-8D-148

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    -100.0 degrees fahrenheit 1st response500.0 degrees fahrenheit 2nd response
  • Connection Style
    Plain (tube) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube 1st end
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    0.750 inches 1st end
  • Opening Pressure Setting
    148.0 pounds per square inch
  • Outside Diameter Tube Accommodated
    0.500 inches 1st end
  • Material
    Aluminum alloy 2024 body
  • Material Specification
    Qq-a-225/6, alloy2024, t4 federal specification 1st material response flow control device
  • Media For Which Designed
    Fuel/oil, hydrocarbon single response
  • Surface Treatment
    Anodize
  • Surface Treatment Specification
    Mil-a-8625, type 1 military specification single treatment response
  • Style Designator
    Straight thru
  • Thread Series Designator
    Unjf 1st end
More from these suppliers
Safety Relief Valve

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Mechanic Bill explains Velocity Fuse

Pricing and Availability

Get a quote for 4820-00-139-4118 safety relief valve
Quantity:
Your Email:
Your Name:
Company Name:
Optional reference:
Phone:
NSN 4820001394118

We do not share, sell, or distribute your information to any third party.
Privacy | Terms

All major credit cards accepted as well as gov. p-cards
Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
520A-8D-148 Circor Aerospace, Inc.
10233963 U S Army Aviation And Missile
Stock Check
Availability of this NSN has not been updated recently. Submit the pricing and availbility form above to receive an up to date quote.