E-5-5 2864 ENGINE ROOM FIRE ALARM SYSTEM

1743A-7==>DEDECTOR HEAD F0S 511 IONIZATION TYPE FOS 511B/551B (PCS)

1743A-8==>PLEXI GLASS FMM 517-53 1743A(DIA) FOR MANUEL FIRE ALARM BOX,TYPE FMM 517+557 (PCS)