Papr, standard size, blue, mark 2 replacement part, niosh/msha, meets ansi/ul 913 standard for intrinsically safe apparatus
NSN 5998-00-216-6944
NSN 5930-01-505-6050
NSN 6145-00-204-5992
NSN 5998-00-949-2038
NSN 5905-00-853-6739
NSN 6135-01-171-9299
NSN 5910-01-058-3659
NSN 6685-01-205-8526
NSN 5920-00-721-0721
NSN 6150-01-607-8500
NSN 5998-00-451-4272
NSN 5920-01-226-7038