No other part numbers with same form, fit, and function found.
An item designed to be used with a respirator (as modified) to provide air-tight connections to various components.
NSN 5998-00-654-5278
NSN 6645-00-641-3202
NSN 5999-01-143-9969
NSN 6650-01-147-3125
NSN 6105-01-158-7618
NSN 5965-01-468-5583
NSN 5945-00-185-6609
NSN 6105-01-392-5036
NSN 6145-01-406-3387
NSN 5945-00-366-4723
NSN 4140-00-921-3814
NSN 6645-00-139-9239