The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5835-00-888-9422
NSN 6320-00-459-8973
NSN 5835-00-707-6266
NSN 5920-01-049-0022
NSN 6650-00-707-1417
NSN 5915-00-179-4623
NSN 5998-01-523-3716
NSN 5965-00-333-3359
NSN
NSN 6145-01-476-4056
NSN 6620-01-008-2715
NSN 6110-01-370-4984