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NSN 4820-01-171-4392

Velocity Fuse

About this product

0.500 inches 1st end pipe size accommodated, disk flow control device, inside spring bonnet type, bonnet attachment method: bolted.

Manufacturer part number 20210H51M for national stock number 4820011714392.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-171-4392.

  • MPN or Model

    20210H51M

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    2 lb
  • Pipe Size Accommodated
    0.500 inches 1st end
  • Flow Control Device
    Disk
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Bolted
  • Disk Loading Method
    Spring
  • Connection Style
    G31 gasket seal (pipe) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Unthreaded internal pipe 1st end
  • Adjustable Pressure Range
    +45.0/+55.0 pounds per square inch
  • Criticality Code Justification
    Zzzy
  • Material
    Nickel alloy 400 stem or nickel alloy r-405 stem
  • Style Designator
    Err-090
  • Reference Number Differentiating Characteristics
    Cleaned iaw mil-i-52211
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

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NSN 4820011714392

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
20210H51M Pentair Valves & Controls Us Lp
20210H51MCP Naval Inventory Control Point
20210H51M Anderson Greenwood Lp
20210H51MCP Pentair Valves & Controls Us Lp
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