Aluminum 4 1/2" NH to 4" NH Double Female Origin_Made in the USA 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

Machined from forged 6061 - T6 aluminum

Fire hydrant and spanner set includes

National Pipe Tapered is common in plumbing and some industrial uses

Standard color is silver/black

Aluminum 4 1/2" NH to 4" NH Double Female Origin_Made in the USA 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. A double swivel adapter will not swivel or rotate once both ends are tightened to the male connections. The Safe Water Drinking