HA25NYC76 Dixon Cast Brass Hydrant Adapter - Pin Lug - Increaser / Reducer - 2-1/2" Female NYC x 3/4" Male GHTFeatures: Material: Cast Brass NYFD thread = 3. 031 x 8 TPI NYC thread = 3. 00 x 8 TPI Part Number Female Thread Male Thread Weight (Lbs.) HA15NYFD76 1 1 2" Female NYFD 3 4" Male GHT 0. 5600 HA25NYFD75T 2 1 2" Female NYFD 3 4" Male NPT 0. 9250 HA25NYFD76 2 1 2" Female NYFD 3 4" Male GHT 0. 8900 HA25NYFD15S 2 1 2" Female NYFD 1 1 2" Male NPSH 1. 3600 HA25NYFD15F 2 1 2" Female NYFD 1 1 2" Male NST(NH) 1. 0400 HA25NYFD15T 2 1 2" Female NYFD 1 1 2" Male