The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6685-01-472-2413
NSN 5915-01-114-9072
NSN 6145-01-077-8960
NSN 5895-01-450-4797
NSN 5935-00-402-5679
NSN 7035-01-594-9198
NSN 6650-01-096-0655
NSN 5945-01-384-9633
NSN 5950-01-211-7018
NSN 5990-01-112-3901
NSN 5935-01-171-7670
NSN 5990-00-140-1159