The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5910-01-487-4365
NSN 6135-01-518-9813
NSN 5835-01-360-1058
NSN 6240-00-872-3365
NSN 6110-01-439-1365
NSN 5920-01-081-5800
NSN 6130-01-468-6205
NSN 6650-01-217-0303
NSN 5920-01-369-8588
NSN 6105-01-274-5951
NSN 5910-00-189-1496
NSN 6685-01-178-0979