Part Number: 137MOHM14W1 (Factory original brand new) Part Number: 137MR243 (Ne) Part Number: 137MR88 (No description) Part Number: 137MR88C (Ne) Part Number: 137MR88C137MR88 (Ne) Part Number: 137N250 (Ne) Part Number: 137-N70 (Oring,buna 70 durometer size#137) Part Number: 137-N90 (Oring,buna 90 durometer size#137) Part Number: 137N91D23 (Feltro) Part Number: 137NA250 (Ne) Part Number: 137NBKMAB (Ne) Part Number: 137NC (Ne) Part Number: 137NC137N (Ne) Part Number: 137NM31973 (Nut, self-locking)