The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5945-01-159-0423
NSN 5999-01-433-3085
NSN 5935-01-245-7303
NSN 2925-01-358-8346
NSN 5920-00-503-2203
NSN 6105-00-434-2223
NSN 6320-00-725-0754
NSN 2925-01-507-7877
NSN 2925-01-614-0476
NSN 5920-00-959-5664
NSN 6240-01-383-8579
NSN 5915-01-403-2599