Thread these plugs onto fire hydrants and washdown equipment to close off the line. Their rocker lugs are easy to grip, so you can tighten them quickly. Tighten with a hook-style spanner wrench (not included). Plugs are brass for good corrosion resistance.
NH/NST Thread—NH/NST (National Hose/National Standard) threads are only compatible with other NH/NST threads.
Thread these caps onto fire hydrants and washdown equipment to close off the line. Their rocker lugs are easy to grip, so you can tighten them quickly. Tighten with a hook-style spanner wrench (not included). Caps are brass for good corrosion resistance.
NH/NST Thread—NH/NST (National Hose/National Standard) threads are only compatible with other NH/NST threads.
NPSH Thread—NPSH (National Pipe Straight Hose) threads are compatible with male NPSH, NPT, NPTF and NPSM threads.