Knox Box FDC Lock 3" Male NH/NST Locking Cap Model:3158 (6.0 TPI x 3.623 OD) Global type "DP" aluminum 1

Global type "DP" aluminum 1 1/2 inch male camlock (Cam & Groove) dust plug

painted or powder coated finishes All Storz heads are forged 6061-T6 aluminum to SAE-AMS-QQ-A-367 and ASTM B247 Complies with DIN standards which require that Storz heads must be forged when used in firefighting applications High quality molded Storz gaskets made using Buna-N material

NH threads are used by most fire departments and fire trucks

includes 3/32” thick butyl pressure-activated self-adhesive pad

Type "F" stainless steel 4 inch male camlock (Cam & Groove) coupler to 3 inch male NPT threads

Knox Box FDC Lock 3" Male NH/NST Locking Cap Model:3158 (6.0 TPI x 3.623 OD) Global type "DP" aluminum 1Knox 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 2 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