Papr, small, blue, niosh/msha, meets ansi/ul 913 standard for intrinsically safe apparatus, mark 2 replacement part
NSN 5975-01-654-0306
NSN 5930-00-716-1484
NSN 5996-00-896-7086
NSN 5960-01-530-1808
NSN 5990-01-534-8609
NSN 2925-01-183-2897
NSN 5915-00-136-9714
NSN 4140-01-500-1187
NSN 5998-01-170-8192
NSN 5950-01-129-6751
NSN 5998-01-522-0689
NSN 6650-01-011-9093