The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5910-01-143-4655
NSN 5985-00-479-9882
NSN 6145-01-391-6199
NSN 6145-01-249-3133
NSN 6130-01-447-3164
NSN 6320-01-583-6809
NSN 2925-01-068-3844
NSN 5985-00-170-1870
NSN 5996-01-076-2938
NSN 5985-01-068-1940
NSN 5905-01-090-0447
NSN 5945-01-173-6327