Aluminum 4" Female NH to 2 1/2" Male NH Threads_NH x NH If it measures approximately 3

If it measures approximately 3 inches

9 threads per inch and female 1 1/2 inch

Test Ratings (Water Only With Expansion Ring Couplings)

Brass 1 1/2 inch NH/NST threaded smooth bore nozzle with satin finish is a straight stream only with no shut-off

Aluminum 4" Female NH to 2 1/2" Male NH Threads_NH x NH If it measures approximately 3Aluminum 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. The Safe Water Drinking Act section 1417 requires "Lead Free" products to be a minimum of 99. 75% lead free. Aluminum Female to