The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5965-01-395-6691
NSN 5920-01-383-0999
NSN 5945-00-425-0099
NSN 5950-01-204-8358
NSN 6650-01-105-2825
NSN 6150-00-010-9064
NSN 7035-01-145-5059
NSN 5905-01-167-0070
NSN 6135-01-205-5965
NSN 5985-01-630-2457
NSN 5895-01-432-3425
NSN 5920-00-427-7267