The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6130-01-356-8556
NSN 5905-01-481-1514
NSN 5996-01-448-6814
NSN 5965-00-624-4134
NSN 5965-00-258-6809
NSN 6145-01-462-5237
NSN 6105-01-287-9756
NSN 6320-01-118-6662
NSN 6135-00-269-5843
NSN 6105-01-508-6636
NSN 5835-01-321-7895
NSN 6645-01-433-1398