ITEM # DESCRIPTION A1 OP-190010C,H* Lever Handle Cold, Hot (For L-724X) A2 OP-190015C,H* Lever Handle Cold, Hot (For L-727X) B OP-490040 Bonnet Nut C OP-390004 Cartridge-Brass Post D OP-490041 Springs & Seats E OP-590003 Mounting Hardware F OP-590001 Supply Nut G OP-430030* 1.