Blue, 5-strap, papr, niosh/msha, meets ansi/ul 913 standard for intrinsically safe apparatus
NSN 5945-01-610-1093
NSN 5975-01-358-9415
NSN 6135-01-324-7718
NSN 5998-00-011-1814
NSN 5905-01-131-4349
NSN 5930-00-521-5450
NSN 5910-01-481-4621
NSN 5960-01-173-4772
NSN 6610-00-398-0104
NSN 5855-01-122-9418
NSN 5950-01-335-4374
NSN 5960-01-366-6246