The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6135-01-496-2352
NSN 5998-01-106-3446
NSN 6130-01-546-6627
NSN 5996-01-579-6558
NSN 5975-01-358-1392
NSN 6645-01-400-2119
NSN 5999-00-994-6057
NSN 6145-01-572-4430
NSN 6110-01-618-4179
NSN 6650-01-449-5446
NSN 6645-01-357-7750
NSN 6320-01-332-1977