Red Head Brass Style F Forestry Hose Couplings are aluminum expansion-ring couplings designed for forestry and wildland fire hose. Available for 1-inch and 1-1/2-inch hose, these couplings meet USDA Forest Service Specification 5100-108. The couplings are manufactured from extruded aluminum and feature a durable hardcoat-anodized finish for resistance to wear and corrosion. Expansion rings and gaskets are furnished with the couplings. Key Features Designed for forestry and wildland fire hose Meets USDA Forest Service Specification 5100-108 Extruded aluminum construction Hardcoat-anodized finish 1-inch couplings have two rocker lugs on the female swivel only 1-1/2-inch couplings have three rocker lugs on the female swivel only Furnished with expansion rings and gaskets NH and NPSH configurations available as listed below Available Configurations HOSE AND THREAD SIZE HOSE BOWL SKU 1 in. NH 1-1/4 in. 11600NH 1 in. NPSH 1-1/4 in. 11600NPSH 1-1/2 in. NH 1-3/4 in. 11601NH Ordering Information Specify both the thread type and hose-bowl size when ordering. The hose-bowl measurement refers to the outside diameter of the hose where the coupling will be installed. Custom laser marking is available. Contact Cascade Fire Equipment for additional information and ordering assistance.