Part Number: 104234-3 (Second observer seat assy) Part Number: 104234-5 (Seat 2nd observer) Part Number: 104234-5117 (Component) Part Number: 104234-7 (2nd observer seat) Part Number: 104234-9 (Second observer seat assy) Part Number: 104234-SERIES (Observer seat) Part Number: 104-235 (104-235) Part Number: 104235-1 (Component) Part Number: 104-235-101 (Circuit breaker) Part Number: 104-235-102 (M.p.) Part Number: 104-235-103 (Circuit brekaer) Part Number: 104-235-104 (Breaker) Part Number: 104235104320 (Ne) Part Number: 1042355 (Connector assem)