The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5998-00-719-7610
NSN 5996-00-220-3322
NSN 5930-01-533-9822
NSN 6685-01-019-4493
NSN 6620-01-235-3752
NSN 6320-01-147-9177
NSN 5905-01-432-5546
NSN 5930-01-463-3350
NSN 5960-01-469-2006
NSN 4140-01-362-9023
NSN 6110-01-025-5517
NSN 6145-01-504-4252