(2) X171013-12 1-1/8 in ID x 1-1/4 in OD and (1) X171000-20 1-1/16 in ID x 1-5/16 in OD O-Ring, (4) 51017 and (1) 1.08 in ID Aluminum Gasket, (1) 320971 0.088 in Dia x 41/64 in L, (2) 320975 0.12 in Dia x 41/64 in L, (1) 131168 1/16 in Dia x 0.5 in L Pin, (1) 320719 0.75 in L Spring, (1) 171700-12 3/16 in Dia Ball, (1) 317536 Locking Washer, (2) Brass Bearing, (1) 0.540 in ID x 0.914 in OD and (1) 0.282 in ID x 0.532 in OD Seal, (1) 317549 Stop Washer, (1) 337995 Valve Body, (1) 320716 Valve Seat, (1) 320713 Primer Disc and (1) 320712 NO 12-28 Elastic Stop Nut