Standard, blue, 5-strap, papr, niosh/msha, meets ansi/ul 913 standard for intrinsically safe apparatus
NSN 5855-01-600-0486
NSN 5985-00-063-7761
NSN 5855-01-257-5338
NSN 4140-01-135-3740
NSN 6620-01-306-1347
NSN 5990-01-183-6478
NSN 5990-01-393-4808
NSN 5925-01-495-9582
NSN 5930-01-408-0788
NSN 5950-01-440-9885
NSN 6145-00-434-1681
NSN 7035-01-598-1263