Aluminum 4 1/2" NH Rocker Lug Cap Threads_NH National Pipe Tapered is common
Baker’s notes & crumb story
Description
National Pipe Tapered is common in plumbing and some industrial uses
Carbon Steel 6" Flange x 6" Male NH
NH threads are used by most fire departments and fire trucks
Designed to carry rolls of hose
Aluminum 4 1/2" NH Rocker Lug Cap Threads_NH National Pipe Tapered is commonAluminum adapters are fabricated from seamless extruded 6061 T6 aluminum and hard coat anodized per MIL A 8625 Type III, Class 1. Threads have a blunt start Higbee cut with indicators on adjacent lugs. Part identifications are permanent and stamped prior to hardcoat. Adapters and components meet the requirements of NFPA 1963. Gasket installed.