Air line pressure-demand hood type; niosh approval tc-19c-309
No other part numbers with same form, fit, and function found.
NSN 6645-01-072-6077
NSN 6320-01-271-0247
NSN 5925-01-196-2083
NSN 5835-01-544-5183
NSN 6650-00-842-5463
NSN 5945-00-420-1273
NSN 5985-01-639-8150
NSN 5935-00-814-6059
NSN 5835-01-191-3405
NSN 6105-01-218-3699
NSN 6650-00-170-5095
NSN 6320-01-309-9595