The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5935-01-547-6729
NSN 5965-01-538-4947
NSN 6130-01-141-9553
NSN 5975-01-067-7158
NSN 5930-00-603-6963
NSN 6220-01-056-2056
NSN 6135-00-377-9165
NSN 6650-01-422-7106
NSN 6130-01-527-0773
NSN 5930-01-476-4147
NSN 5985-00-648-2081
NSN 6110-00-156-9823