Niosh/msha, meets ansi/ul 913 standard for intrinsically safe apparatus, 5 locations
NSN 5996-01-014-6103
NSN 5998-01-328-9154
NSN 2925-00-740-7029
NSN 5895-01-451-3535
NSN 5960-01-305-1874
NSN 2925-01-523-3607
NSN 6150-01-634-0575
NSN 6130-01-344-3588
NSN 6685-01-003-9343
NSN 5895-00-838-2649
NSN 5910-01-037-0935
NSN 5945-01-167-8498