The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5895-01-296-2300
NSN 5835-00-494-8419
NSN 5835-00-912-5656
NSN 5965-01-449-1101
NSN 5895-01-506-6420
NSN 5915-01-549-4257
NSN 6650-01-332-3799
NSN 5925-01-357-9402
NSN 6645-00-599-8890
NSN 6110-00-924-1145
NSN 6685-01-310-8116
NSN 5965-01-020-4104