For pump tube assembly

(2) 323693, (4) 131402 1.68 in OD, (1) 46584 0.64 in OD Aluminum Gasket, (1) 337465 Glass-Reinforced Nylon Wear Ring, (1) 0.925 in ID x 1.3 in OD, (1) 0.65 in ID x 0.99 in OD Seal, (1) 337464 Back-Up Ring, (1) 337463 Brass Bearing, (1) 171032-8 3/32 in Dia x 11/16 in L Roll Pin and (1) 18850 1/4-28 Elastic Stop Nut