The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6105-01-456-8065
NSN 5910-00-194-1585
NSN 5930-01-126-4804
NSN 5960-01-602-6009
NSN 6105-01-442-1250
NSN 5965-01-253-0451
NSN 6240-01-334-1115
NSN 5925-00-198-3689
NSN 5895-01-523-1444
NSN 5945-00-960-7367
NSN 5960-01-124-8336
NSN 5965-00-185-9687