Aluminum 2 1/2" Female NH to 2" Male NPSH Male Threads_NPSH Brass 1 1/2 inch male

Brass 1 1/2 inch male NH (NST) to 1 1/2 inch male NPT pin rack nipple adapter

The outside diameter of a 1

0 inch NPSH couplings

National Stock Number (NSN 4210-01-508-8818)

Equivalent part number - FM2025F

Aluminum 2 1/2" Female NH to 2" Male NPSH Male Threads_NPSH Brass 1 1/2 inch maleAluminum 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