#1 Check Assembly Repair Kit, 6" 475DA and 475DAV used with RK6-375CK1. Kit Contains Seat Retainer #1, O-Ring, Seat, Bolt, Poppet Retainer (x4), Handle, #1 Poppet Assembly, Washer, Poppet Bolt (x4), O-Ring, Poppet Bolt (x4), Poppet Retainer, Seal Ring, Seat Assembly, #1 Poppet.