Brass U.S. Coast Guard 1 1/2” Shipboard Vari-Nozzle (NPSH)

Item Number: 3022P
  • Brass U.S. Coast Guard 1 1/2” Shipboard Vari-Nozzle (NPSH)
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$913.34
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Ships: Approx. Sep 14, 2026

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NH / NST: The most common thread type in use by fire departments today is NST or National Standard Thread. NST also goes by the initials NH or National Hose. It can even be referred to as NHT or National Hose Thread but NST or NH is more common these days. NH = NST.

  • The female side of a NH / NST coupling will only connect to a male NH / NST connection
  • The male side of a NH / NST coupling will only connect to a female NH / NST connection

NPSH: National Pipe Straight Hose (NPSH) or Iron Pipe Thread (IPT) has the same threads per inch (TPI) as National Pipe Tapered (NPT) but the thread does not taper. NPSH is a straight thread and seals by a gasket in the female coupling which allows for a swivel, just like NH / NST, which make both ideal for hose couplings.

  • The female side of a NPSH coupling will only connect to a male NPT pipe or a male NPSH connection
  • The male side of a NPSH coupling will only connect to a female NPSH connection.
    It will NOT thread into a female NPT pipe. For example, a male NPSH coupling will NOT thread into a female metal or pvc pipe.

NPT: National Pipe Tapered is common in plumbing and some industrial uses. Sometimes referred to as pipe thread because PVC pipe and schedule 40 pipe are typically threaded in NPT. As its name implies this is a tapered thread so that the outside diameter of the male (ODM) gets smaller towards the end of the fitting and the inside diameter of the female narrows with depth. As the two fittings are threaded together the opposite tapers force thread friction and makes the seal without the use of a gasket.

Warranty Information

5 Year Warranty
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Additional Details

Akron United States Coast Guard approved 1 1/2 inch brass AFFF fog nozzle with NPSH threads designed to U.S. Coast Guard specification for fighting fires with drafted water. Required equipment for all commercial vessels under U.S. registry. Corrosion resistant brass construction. USCG nozzle designed for maximum efficiency with AFFF (Aqueous Film Forming Foams) or water on shipboard,offshore rigs and industrial applications. US Coast Guard approval number 162.027/13/0. This product in made in the USA.

Certificate of Approval

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Specifications

  • Made in USA
  • Material: Brass
  • Handle Material: Zytel (nylon)
  • Size: 1 1/2 inches
  • Threads: NPSH
  • This nozzle will only connect to a 1 1/2 inch NPSH hose
  • A combination fog and straight stream nozzle
  • Flow: 95 GPM at 100 PSI (water/AFFF only)
  • Length: 8 5/8 inches
  • Width: 4 1/4 inches
  • Height: 6 inches
  • Model Number: 3022
1 1/2" Male Adapter
  • Inside diameter of a male adapter: 1 1/2 inches
  • Outside diameter of a male NH / NST adapter: 2 inches (1.99) - 9 Threads per inch
  • Outside diameter a male NPSH or NPT adapter: 1 7/8 inches (1.87) - 11.5 Threads per inch
1 3/4" Hose Couplings
  • 1 3/4 inch hoses come with 1 1/2 inch couplings

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