No other part numbers with same form, fit, and function found.
An item which is part of a helmet,fireman's.
NSN 5990-01-608-9271
NSN 6105-01-109-6256
NSN 6110-01-410-8934
NSN 5996-01-381-1997
NSN 6650-01-473-1355
NSN 6650-01-421-3566
NSN 5996-00-288-1829
NSN 6145-01-483-9660
NSN 5915-00-125-2504
NSN 2925-00-553-8799
NSN 5855-01-149-4110
NSN 7035-01-249-4547