The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6145-00-705-6686
NSN 5999-01-270-5291
NSN 5895-01-370-4799
NSN 2925-01-518-3453
NSN 5935-00-419-0502
NSN 5975-01-592-2288
NSN 5975-01-561-7340
NSN 6650-00-164-6246
NSN 5990-01-507-1479
NSN 5965-00-907-5183
NSN 5965-01-030-7253
NSN 5990-01-100-1840