The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6150-01-350-5929
NSN 6650-00-361-8222
NSN 6685-01-647-9041
NSN 5985-01-041-2684
NSN 5910-01-422-2324
NSN 5996-00-751-9701
NSN 5930-01-420-8249
NSN 2925-01-125-9169
NSN 5935-00-318-6388
NSN 6135-01-119-0720
NSN 6130-01-400-6123
NSN 5950-01-463-9075