The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5935-01-082-8615
NSN 6240-01-417-8792
NSN 6145-01-237-2710
NSN 5965-00-275-0491
NSN 6620-01-310-6653
NSN 6650-01-070-3275
NSN 6110-00-542-2202
NSN 4140-01-400-0643
NSN 6150-01-491-7020
NSN 5855-01-431-8937
NSN 6610-00-678-0350
NSN 6105-01-309-0054