The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5975-00-060-4050
NSN 5950-00-745-7588
NSN 2925-00-288-1394
NSN 5990-01-211-6136
NSN 6105-01-323-6572
NSN 5965-01-511-8504
NSN 6240-01-212-9535
NSN 7035-01-507-2590
NSN 5920-01-382-9379
NSN 2925-01-607-4340
NSN 6135-01-377-5729
NSN 5950-00-997-4075