Part Number: 13057953 (Gasket) Part Number: 13057954 (Rod assy) Part Number: 13057957 (Flash lamp assy) Part Number: 13057968 (Detector assy) Part Number: 13057969 (Mount) Part Number: 13057970 (Circuit bd) Part Number: 13057971 (Spacer board) Part Number: 13057972 (Circuit card assy) Part Number: 13057984 (Pin) Part Number: 13-05799 (Asa principles of helicopter fli) Part Number: 13057B (No description) Part Number: 13057BDW (Ne) Part Number: 13057BDW3057BDW145557D (Ne) Part Number: 13057BDWR (Ne)