The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5965-01-014-3456
NSN 5945-01-080-5132
NSN 5950-01-451-3518
NSN 6150-00-529-8419
NSN 6135-01-040-1446
NSN 5920-00-399-7760
NSN 5935-01-494-6559
NSN 5990-00-419-0236
NSN 5855-01-088-8700
NSN 6220-01-236-7825
NSN 5960-01-546-2379
NSN 5960-00-539-7914