Knox Box FDC Lock 1 1/2" Male NH/NST Locking Cap Model:3190 (9.0 TPI x 1.990 OD) Barrel-type polycarbonate nozzle with rubber

Barrel-type polycarbonate nozzle with rubber bumper and gasket included

SAE 201/301 Series Stainless Steel Worm Clamps

Crafted from cast aluminum

Type "A" Brass 1 1/2 inch male camlock (Cam & Groove) coupler to 1 1/2 inch female NPT threads

Knox Box FDC Lock 1 1/2" Male NH/NST Locking Cap Model:3190 (9.0 TPI x 1.990 OD) Barrel-type polycarbonate nozzle with rubberKnox FDC Locks protect fire department connections (FDCs), keeping pipes clean of debris to ensure the delivery of high pressure water flow to fire sprinkler systems. The Knox FDC Lock is available in 1 1 2" configuration and is operated with a Knox FDC wrench controlled by the Fire Department. Ensures ready and reliable connections to fire sprinkler systems Protects check valves from freezing in cold climate areas Eliminates costly services to back