Yellow Plastic 4 1/2" NH Fire Hydrant Cap Threads_NPSH straps can be opened and

straps can be opened and hose advanced

When making up the Cleveland lay for a cross lay or hose bed

quick attack lines or standpipe operations

Not intended for use as a fire hose

Lightweight booster firefighting hose

Yellow Plastic 4 1/2" NH Fire Hydrant Cap Threads_NPSH straps can be opened andThermoplastic 4 1 2 inch NH NST threaded cap and 1 1 8 inch pentagonal nut with weep hole. Constructed from hardened thermoplastic. This cap is intended to keep out dust and debris but NOT intended to hold pressure as it features a weep hole in the center nut and does not have a gasket. May be used in some dry hydrant applications and to cover other non pressurized openings with 4 1 2" NH NST threads.