The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5965-00-227-7348
NSN 6650-01-468-7704
NSN 6130-00-155-5873
NSN 5925-00-926-8425
NSN 6650-00-901-1501
NSN 6110-01-302-5699
NSN 6220-00-299-7749
NSN 6610-01-115-0391
NSN 2925-01-337-2508
NSN 5960-01-398-4883
NSN 6610-01-062-9994
NSN 5835-01-652-4959