Aluminum 5" Storz x 4" Female NPT Thread Inlet Threads_NH / NST It is made out of

It is made out of polycarbonate with a brass stem in the middle

Spanner Wrench is strong

3 inch NH / NST fittings measure approximately 3 5/8"

This is the same water-handling accessories reducer found in the Defense Logistics Agency (DLA) Wildland Fire Equipment catalog or Fedmall

Gasket included

Aluminum 5" Storz x 4" Female NPT Thread Inlet Threads_NH / NST It is made out ofStorz Head component shall be forged from Alloy 6061 aluminum and heat treated to T6 temper. Adapters and components meet the requirements of NFPA 1963. The Safe Water Drinking Act section 1417 requires "Lead Free" products to be a minimum of 99. 75% lead free. Download Spec Sheet