Air line pressure-demand hood type; niosh approval tc-19c-309
No other part numbers with same form, fit, and function found.
NSN 2925-00-909-2596
NSN 6645-01-266-0883
NSN 5920-01-458-8075
NSN 6130-01-595-9196
NSN 5960-01-274-7627
NSN 5999-01-431-7777
NSN 6240-00-052-0786
NSN 5996-01-079-7914
NSN 5999-01-601-0783
NSN 5960-01-546-2379
NSN 6685-01-027-1168
NSN 5945-01-221-0478