DFR1515 Dixon Cast Brass Double Female Swivel - Rocker Lug - 1-1/2" Female NPSH Swivel x 1-1/2" Female NPSH SwivelPart Number Female Swivel Thread Female Swivel Thread Weight (Lbs.) DFR1515 1 1 2" Female NPSH Swivel 1 1 2" Female NPSH Swivel 1. 2250 DFR2525 2 1 2" Female NPSH Swivel 2 1 2" Female NPSH Swivel 3. 1200 DFR1515F 1 1 2" Female NST(NH) Swivel 1 1 2" Female NST(NH) Swivel 1. 3200 DFR2525F 2 1 2" Female NST(NH) Swivel 2 1 2" Female NST(NH) Swivel 3. 4300