Part Number: 114-420041-23 (Angle-lower beam inst-airstair d) Part Number: 114-420041-25 (Angle-beam installation,lowe) Part Number: 114-420041-27 (Doubler-lower beam inst-airstair) Part Number: 114-420041-31 (Doubler lower bean i) Part Number: 114-420041-35 (Doubler-lower beam instl-airstai) Part Number: 114-420041-36 (No description) Part Number: 114-420041-37 (Frame f.s.164.415-beam instl,l) Part Number: 114-420041-38 (Frame-beam installation,lowe) Part Number: 114-420041-39 (Beam-lower beam inst-airstair do) Part Number: 114-420041-41 (No description) Part Number: 114-420041-43 (Angle) Part Number: 114-420041-45 (Former) Part Number: 114-420041-47 (Channel) Part Number: 114-420041-49 (Splice-lower beam inst-airstair )