15422B1 Plunger Assembly 6110 6112 Myers "Du-All" Pumps Includes Plunger Stem or Casting (1), Follower Nut (1), O-Ring (1), Washer (1), Upper Plunger Cup (2), Spracer for Upper Plunger Cup (1), Fiber Disc (1), Retaining Ring (1), Spring for Plunger Valve (1), Valve for Plunger (1), Lower Plunger Cup (1), Follower with S.S. Seat (1), S.S. Seat for follower.