Papr, small, blue, niosh/msha, meets ansi/ul 913 standard for intrinsically safe apparatus, mark 2 replacement part
NSN 6685-00-402-2458
NSN 5996-01-246-0078
NSN 6645-00-003-2897
NSN 6105-01-342-5152
NSN 6105-01-444-1170
NSN 6145-00-689-9339
NSN 5855-01-603-8185
NSN 5930-00-466-1152
NSN 2925-01-265-2853
NSN 5950-00-061-8128
NSN 5895-01-394-1108
NSN 6220-01-633-7358