The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5985-01-109-8833
NSN 5905-00-838-9629
NSN 2925-00-422-5159
NSN 6110-01-089-8130
NSN 7035-01-024-9511
NSN 5925-01-608-8551
NSN 5945-01-500-2140
NSN 6220-01-370-4215
NSN 5985-01-108-9646
NSN 5935-01-634-0668
NSN 5960-01-296-3306
NSN 5975-01-085-4167