The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6105-01-597-8251
NSN 6145-00-005-1018
NSN 6685-01-561-4648
NSN 5905-01-465-0776
NSN 6150-00-231-9434
NSN 5950-01-191-8307
NSN 2925-01-408-6205
NSN 5905-01-269-1094
NSN 5996-01-406-2845
NSN 6130-01-303-5860
NSN 5855-00-149-0766
NSN 4140-01-242-2296