Two for more different types of items having a common mounting or mounted on each other which together form a portion of a light signal receiver-transmitter.
NSN 5895-01-468-9407
NSN 5990-01-094-7740
NSN 6220-01-003-7440
NSN 5965-00-910-3233
NSN 6650-01-611-8539
NSN 5990-01-658-9964
NSN 6150-01-506-9377
NSN 6105-01-201-1739
NSN 5930-00-538-3321
NSN 5960-01-337-2823
NSN 5945-00-687-2072
NSN 6130-01-184-0753