NSA855171-16 OR2807-3/16 2807-4 R1 AT 1 ¼” R2 AT ¾” S1347F obsolete, no replacement;; SA16604-04-04 SA16604-06-04 SA16604-06-06 SA16604-08-06 SA16604-08-08 SA16604-12-12 TWVEV 5050 - N6 T50 V-RING PACK DESIGN FOR SHAFT DIAMETER 500 NBR, 60 SHORE A TYP 2681 - 10 - 5000 MM LG. 1E24FL24 411-12, replaced by 1S12FJ12;Coupling; 2681-32