The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5975-01-545-3415
NSN 5910-00-245-3351
NSN 5895-00-907-0761
NSN 5960-00-393-2505
NSN 5945-01-290-3880
NSN 6145-01-617-3773
NSN 6145-01-070-2160
NSN 5950-01-211-7018
NSN 5975-00-706-7087
NSN 5965-01-570-2804
NSN 6685-00-090-0347
NSN 6645-01-624-3467