A rigid item which serves as a reinforcement for the nose region and has accommodations to hold in place the elastic band of the oxygen mask.
NSN 5990-00-099-0822
NSN 5835-01-123-8305
NSN 5990-01-049-7505
NSN 5990-00-144-3243
NSN 6105-00-677-0593
NSN 6105-01-634-0322
NSN 6150-00-051-4868
NSN 5930-00-898-0733
NSN 5999-01-044-2586
NSN 6135-01-485-9082
NSN 5910-00-892-9193
NSN 5945-01-032-3575