Maglite spare mag num star xenon lamps for cd cell flashlights maglite lmsa401 this mag num star xenon lamp is a replacement lamp for c or d 4 cell maglite flashlights offering larger luminous efficiency and more insensitively to vibration designed for the easy replacement of a burned out lamp and manufactured to give a long reaching light beam without compromising battery life mag lite lmsa401 spare mag num star xenon lamp for 4 cd cell mag lite