DMR2525F Dixon Cast Brass Double Male Rocker Lug - 2-1/2" Male NST(NH) x 2-1/2" Male NST(NH)Part Number Male Thread Male Thread Weight (Lbs.) DMR1515F 1 1 2" NST (NH) 1 1 2" NST (NH) 0. 7760 DMR15F15T 1 1 2" NST (NH) 1 1 2" NPT 0. 7900 DMR15F15S 1 1 2" NST (NH) 1 1 2" NPSH 0. 7800 DMR1515 1 1 2" NPSH 1 1 2" NPSH 0. 5650 DMR15S15T 1 1 2" NPSH 1 1 2" NPT 1. 1070 DMR2525F 2 1 2" NST (NH) 2 1 2" NST (NH) 2. 2600 DMR2525 2 1 2" NPSH 2 1 2" NPSH 1. 2800