The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 4140-00-283-6843
NSN 5855-00-079-2370
NSN 6105-00-205-0655
NSN 6145-01-167-8366
NSN 5990-01-272-4091
NSN 4140-01-345-0302
NSN 5855-00-885-8452
NSN 6110-01-524-7465
NSN 5915-01-506-9074
NSN 6240-01-044-0073
NSN 5915-01-420-6997
NSN 6240-00-222-9392