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NSN 4820-01-268-2274

Velocity Fuse

About this product

Disk flow control device, spring disk loading method, g9 plain, optional en (pipe) 2nd end connection style, connection type: threaded internal pipe 2nd end.

Manufacturer part number 1856M-OL-1/2X3/4-75PSI for national stock number 4820012682274.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-268-2274.

  • MPN or Model

    1856M-OL-1/2X3/4-75PSI

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    35.3 lb
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Disk
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    450.0 degrees fahrenheit single response
  • Connection Style
    G9 plain, optional en (pipe) 2nd end
  • Connection Type
    Threaded internal pipe 2nd end
  • Maximum Operating Pressure
    300.0 pounds per square inch single response
  • Thread Size
    0.750 inches 2nd end
  • Criticality Code Justification
    Zzzy
  • Opening Pressure Setting
    75.0 pounds per square inch
  • Material
    Copper alloy
  • Media For Which Designed
    Air single response
  • Style Designator
    Err-090
  • Thread Series Designator
    Npt 1st end
  • Specification Data
    96906-mil-std-129 government standard and 96906-mil-std-767 government standard and 96906-aor-767-1 government standard and 81349-mil-i-45208 government specification
  • Reference Number Differentiating Characteristics
    Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
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 4820012682274

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1856M-OL-1/2X3/4-75PSI Curtiss-wright Flow Control
18252-F(75PSI) Curtiss-wright Flow Control
1896M-OL-1/2X3/4-75PSI(SPCLN) Curtiss-wright Flow Control
1856M-OL-1/2X3/4-75PSI Curtiss-wright Flow Control
18252-F(75PSI) Curtiss-wright Flow Control
1896M-OL-1/2X3/4-75PSI(SPCLN) Curtiss-wright Flow Control
1856M-OL-1/2X3/4-75PSI Curtiss-wright Flow Control
1896M-OL-1/2X3/4-75PSI(SPCLN) Curtiss-wright Flow Control
18252-F(75PSI) Curtiss-wright Flow Control
1856M-OL-1/2X3/4-75PSI Curtiss-wright Flow Control
18252-F(75PSI) Curtiss-wright Flow Control
1896M-OL-1/2X3/4-75PSI(SPCLN) Curtiss-wright Flow Control
1856M-OL-1/2X3/4-75PSI Curtiss-wright Flow Control
1896M-OL-1/2X3/4-75PSI(SPCLN) Curtiss-wright Flow Control
18252-F(75PSI) Curtiss-wright Flow Control
1856M-OL-1/2X3/4-75PSI Curtiss-wright Flow Control
18252-F(75PSI) Curtiss-wright Flow Control
1896M-OL-1/2X3/4-75PSI(SPCLN) Curtiss-wright Flow Control
Stock Check
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