The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6645-01-485-6536
NSN 5905-01-355-1418
NSN 5996-00-186-8709
NSN 5990-01-081-0619
NSN 5910-01-097-8949
NSN 6645-01-157-9080
NSN 5925-01-487-7629
NSN 6105-01-375-8758
NSN 6240-01-343-4322
NSN 6130-00-115-6936
NSN 5965-01-286-6548
NSN 6320-01-211-6578