The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6110-01-116-2353
NSN 5910-01-207-6981
NSN 5996-01-154-6478
NSN 5855-01-531-4664
NSN 5945-00-958-4560
NSN 5920-01-091-7759
NSN 5945-01-655-2275
NSN 5895-01-440-9605
NSN 7035-01-034-6183
NSN 5935-01-585-0444
NSN 6685-01-592-0505
NSN 6685-01-302-1536