The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5996-01-558-7286
NSN 6105-01-025-5981
NSN 6685-01-578-6664
NSN 5935-00-337-0445
NSN 5985-01-381-5448
NSN 4140-01-461-1649
NSN 4140-01-572-8983
NSN 7035-00-421-8710
NSN 6620-01-271-6192
NSN 5930-00-217-2647
NSN 6320-01-607-1491
NSN 6645-00-400-7955