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NSN 4820-01-579-3429

Velocity Fuse

About this product

4.0-4.3 psig opening pressure range; 3.5 psig closing pressure range; 1-3/8 inch wrench hex size; high flow.

Manufacturer part number B-51019-1 for national stock number 4820015793429.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-579-3429.

  • MPN or Model

    B-51019-1

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Thread Direction
    Right-hand 2nd end
  • Flow Control Device
    Disk
  • Disk Loading Method
    Spring
  • Connection Style
    G9 plain, optional en (pipe) 2nd end
  • Valve Operation Method
    Automatic
  • Flange Shape
    Round 1st end
  • Connection Type
    Threaded external pipe 2nd end
  • Thready Qty Per Inch (tpi)
    12 2nd end
  • Thread Size
    1.062 inches 2nd end
  • Opening Pressure Setting
    4.0 pounds per square inch
  • Flange Face Design
    Raised straight 1st end
  • Raised Face Height
    0.625 inches 1st end
  • Style Designator
    Err-090
  • Thread Series Designator
    Un 2nd end
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

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NSN 4820015793429

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
B-51019-1 Mirada Research & Manufacturing,
B-51019-1 Mirada Research & Manufacturing,
B-51019-1 Mirada Research & Manufacturing,
B-51019-1 Mirada Research & Manufacturing,
B-51019-1 Mirada Research & Manufacturing,
B-51019-1 Mirada Research & Manufacturing,
B-51019-1 Mirada Research & Manufacturing,
B-51019-1 Mirada Research & Manufacturing,
Stock Check
Availability for this item was last checked on 07/13/23. The quantities and conditions available at the time were:
  • NS: 1