The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6105-01-406-5712
NSN 6620-01-226-4065
NSN 6620-01-302-0049
NSN 6105-00-683-5459
NSN 4140-01-286-0536
NSN 7035-01-502-9967
NSN 5895-00-074-2068
NSN 5855-01-100-3272
NSN 5945-00-203-3315
NSN 6650-01-633-9147
NSN 5935-00-724-7592
NSN 5920-01-038-1122