Model 5851LFHST handle and stem assembly includes a PCP handle cap, nylon lock nut, nylon and brass thrust washers, stainless steel wave washer, PCP lever handle with set screw, bearing set, bonnet cap, bonnet washer, gland packing, gland, spring washer, spring, seat washer, screw, seat washer, renew seat and a seat o-ring. Used on models made in 2005 and newer. Product is compliant to California Health and Safety Code 116875 (AB 1953-2006).