MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Open faced, multi-purpose platform includes extensively adjustable comfort liner system, 4 point retention system, onboard power supply, shielded power supply (sps), remote control module, communications system compatibility, eod and breathing apparatus (ba) visor compatibility (both visors feature built in searchlights), accommodates from 5th percentile female to greater than the 99th percentile male, corresponds to hat sizes from 6-3/8 to 8-1/4 and head circumference measurements from 19.7 inches (50cm) to 25.6 inches (65 cm), differs from the eod 9 helmet primarily through its integrated electronics, filters and shields its systems to prevent unwanted incoming signals from reaching its systems electronic circuit boards; conforms to defense standard 59-41, class a and military standard 461e
