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1-1/2″ NH x 1″ NP Fire Hose Reducer | NST x NPSH | Wildland Fire Gear

A staple of wildland fire gear, this aluminum fire hose reducer joins the male end of a 1 1/2″ NST/NH hose coupling with the female end of an NPSH/IPT hose coupling. Lightweight and durable, this fire hose reducer is designed specifically for wildland firefighting. Made in the USA!
SH15NHRED1NPHeat-Treated 6000-Grade Anodized AluminumNH(F) x (NP)M
1 1/2″ (38mm) Female NST (1 1/2″ NH)1″ (25mm) Male NPSH (IPT)
Approvals & ListingsS&H Part No.Availability
Meets NFES SpecificationsRE-15NH-1NPShips Within 7-10 Business Days. Call for Specific Lead Time.

1-1/2″ NH/NST x 1″ NPSH/IPT Fire Hose Reducer

This aluminum fire hose reducer allows firefighters to quickly connect fire hoses with 1 1/2″ National Hose or National Standard Thread (NH/NST) to 1″ National Pipe Straight Hose or Iron Pipe Thread (NPSH/IPT). Lightweight and durable, this fire hose reducer is manufactured by S&H Fire Products, one of the world’s leading suppliers of wildland fire gear and forestry firefighting equipment.

S&H’s fire hose reducer meets the Defense Logistics Agency’s standards for wildland firefighting equipment. Both 1 1/2″ NST and 1″ NPSH fire hose couplings are frequently used by the Forest Service. These aluminum couplings meet the US Forest Service’s specifications for fire hose connections and fittings (Standard 5100-107), including:

  • Reducing hose sizes by connecting a larger male-threaded hose coupling to a smaller female-threaded coupling
  • Facilitating easy attachment and removal with rocker lug couplings
  • Pressure testing to 600 PSI
  • Construction from 6000-grade heat-treated aluminum, an alloy featuring magnesium and silicate for strength and resistance to corrosion
  • Free from cracks and nonconformities
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