The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5945-01-384-6801
NSN 6150-01-318-8976
NSN 5920-01-580-0777
NSN 6110-00-960-7341
NSN 6130-00-328-8335
NSN 6685-01-471-2851
NSN 5920-01-406-3157
NSN 5855-00-482-9876
NSN 6130-00-283-2277
NSN 6220-00-379-4044
NSN 5930-01-057-1687
NSN 5985-01-046-2686