The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5835-01-231-4994
NSN 6240-01-396-5639
NSN 5945-01-368-7497
NSN 5895-00-245-2981
NSN 6130-01-530-1105
NSN 6150-00-889-5264
NSN 6110-00-796-4534
NSN 5915-01-140-0680
NSN 5985-00-917-6720
NSN 5950-00-639-9675
NSN 6320-00-553-8427
NSN 6135-00-998-5884