Breathing valve with by-pass hose, meets niosh approval for intrinsically safe apparatus
NSN 5925-01-347-0358
NSN 5996-01-181-7057
NSN 5910-01-600-8747
NSN 5835-00-415-6421
NSN 2925-01-172-9209
NSN 2925-01-540-7389
NSN 5999-00-944-3709
NSN 5905-01-020-3897
NSN 5905-01-553-7358
NSN 6130-01-479-0188
NSN 2925-00-456-7627
NSN 5945-01-420-6914