Aluminum 4" Storz x 3" Female NPT Thread Male Size_3/4 Inch Brass 2 1/2 inch NH

Brass 2 1/2 inch NH / NST swivel pin lug female inlet x (2) 1 1/2 inch NH / NST rigid male outlet ball valve

The most common fire hydrant outlet in the USA is 2 1/2 inches with NH / NST threads

This good quality

NFPA 1961 standards shall be observed in production and assembly to insure quality and durability

Compatible part number - SF25F20T

Aluminum 4" Storz x 3" Female NPT Thread Male Size_3/4 Inch Brass 2 1/2 inch NHStorz Head component shall be forged from Alloy 6061 aluminum and heat treated to T6 temper. Adapters and components meet the requirements of NFPA 1963. Locking Storz are only available on 4, 5, and 6 inch. Locking springs prevent unintentional disconnects. Locks are stainless steel. The Safe Water Drinking Act section 1417 requires "Lead Free" products to be a minimum of 99. 75% lead free. Download Spec Sheet