Attributes . (4) 3/8"-16 x 1 in 18-8 Hex Head Cap Screw, (4) 3/8"-16 x 3/4 in Hex Head Cap Screw, (4) Lock Washer, 5/8 in Slinger Washer, Impeller, Impeller Shim Kit, Low Crown Acorn Nut, Mechanical Seal, O-ring . Names