Ingersoll-Dresser Coupling Pump Parts KitsP/N 675C185X22A10379D18A EDM Kit For INGERSOLL-RAND COMPANY MODEL 12HMC PUMP Coupling Nut P/N 14HM164AX310382-C-18B 2each. Set Screws Scoket EA P/N 115A2X46N 16each Set Screws 4each Call or email for price