Blue 4" x 50' Lightweight Discharge Hose

Item Number: 40BD50MF
  • Blue 4" x 50' Lightweight Discharge Hose
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$169.63
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Ships: Approx. Sep 22, 2026

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Connections

  • 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
  • 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.
  • The female side of a garden hose will only connect to a male garden hose connection.
  • The male side of a garden hose will only connect to a female garden hose connection.

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

Warranty Information

Limited 1-Year Warranty

We will replace any fire hose with manufacturer defects in material and workmanship. All warranty claims must be returned to us for inspection before we determine a solution.

Our warranty does not cover gaskets, shipping cost, cosmetic damages, normal wear-and-tear, improper use or chemical damage.

Fire hoses purchased for use at Fire Training Facilities will have a 90-day Manufacturer Defect warranty only.

Upon receipt of the returned goods, hoses will be subject to inspection and testing.

Should it be determined that the hose is covered by warranty, it will be repaired or replaced.

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Additional Details

Blue lightweight lay flat PVC discharge hose is rated for light duty. This hose is designed to be used in lower range water pressure situations having a maximum pressure of 50 PSI. This pump discharge hose is constructed from blue PVC and reinforced by polyester yarn. Popular hose for general outdoor low pressure discharge applications.

Not intended for indoor use, firefighting or closed pressure applications such as use with nozzles.

Specifications

  • A lightweight PVC water discharge hose featuring PVC tube and cover
  • Hose is reinforced with two spiral plies and longitudinal synthetic cords
  • Not intended for use as a fire hose
  • Used for open ended discharge applications only

Applications

  • Open discharge
  • Agriculture
  • Irrigation
  • Construction
  • Industrial

Warning: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer/birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

Specifications

  • Hose Size: 4 inches
  • Hose Length: 50 feet
  • Male Coupling: Aluminum 4 inch Straight Pipe Thread (NPSH)
  • Female Coupling: Brass 4 inch Straight Pipe Thread (NPSH)
  • The Female Coupling Will Only Connect to a Male 4 inch NPT or NPSH
  • Maximum Pressure: 50 PSI
  • NOT for Closed Pressure Applications
  • Tube: Blue Lay Flat PVC
  • Approximate wall thickness: 0.071 inch
  • Weight per foot: 0.54 pounds
  • Type of use: Water
  • Working temperature: 14° F to 150° F

4" Hose Male Couplings

  • Inside diameter of a male coupling: 4 inches
  • Outside diameter of a male NH / NST coupling: 5 inches (4 Threads per inch)
  • Outside diameter a male NPSH or NPT coupling: 4 1/2 inches (8 Threads per inch)

Download Spec Sheet

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