Knox Box FDC Lock 3" Male NH/NST Locking Cap (Swivel-Guard) Model:3159 (6.0 TPI x 3.623 OD) Aluminum components are hardcoat anodized

Aluminum components are hardcoat anodized per MIL-A-8625 Type III

Typical Uses

Where are Knox Locking Standpipe 2

Our 3 inch Made in the USA double jacket fire hose is manufactured to this specification shall meet and exceed all performance requirements of NFPA 1961 and Underwriter’s Laboratories standards

Knox Box FDC Lock 3" Male NH/NST Locking Cap (Swivel-Guard) Model:3159 (6.0 TPI x 3.623 OD) Aluminum components are hardcoat anodizedKnox 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. Swivel Guard versions also enhance security against vandalism. Operated with a Knox Keywrench. Ensures ready and reliable connections to fire sprinkler systems FDC Swivel Guard brings added protection against vandalism Protects check valves from freezing in cold climate areas Eliminates