The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6145-01-096-2505
NSN 5990-01-114-5095
NSN 6135-00-078-9931
NSN 5905-01-370-4989
NSN 5835-00-155-1379
NSN 6105-01-362-9386
NSN 6105-01-523-6241
NSN 5985-00-591-3001
NSN 5985-01-602-8078
NSN 6105-01-323-6572
NSN 6145-00-492-4633
NSN 4140-00-953-2004