The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6150-00-099-6919
NSN 5930-01-107-6000
NSN 6610-00-186-9180
NSN 5910-01-623-6256
NSN 6650-00-495-8710
NSN 5985-00-223-6202
NSN 2925-01-100-3694
NSN 6610-00-565-9758
NSN 5990-00-937-5116
NSN 5925-01-237-2501
NSN 5996-01-371-4182
NSN 6110-00-708-3832