Mark 2 replacement part, black, 5-strap, niosh/msha, meets ansi/ul 913 standard for intrinsically safe apparatus
NSN 6620-01-187-7267
NSN 5998-00-800-1136
NSN 5925-01-447-3279
NSN 5985-00-964-7692
NSN 5905-00-892-9046
NSN 5895-01-196-5948
NSN 5998-00-156-3119
NSN 5975-01-048-5447
NSN 5835-01-323-2581
NSN 6320-01-498-4954
NSN 5920-01-020-7659
NSN 6645-01-654-5293