The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6105-00-878-0959
NSN 5965-01-112-8758
NSN 5920-00-302-5168
NSN 5835-01-133-6485
NSN 5930-01-478-5114
NSN 5935-00-394-1519
NSN 5996-01-484-2771
NSN 6105-01-224-7258
NSN 6110-01-590-0895
NSN 5920-01-442-3395
NSN 7035-00-870-0290
NSN 6105-01-434-5978