The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5945-01-124-9839
NSN 6135-00-057-2005
NSN 6145-01-510-2801
NSN 5960-01-279-2589
NSN 6110-01-076-4060
NSN 6320-01-261-5983
NSN 5990-00-177-2924
NSN 6150-01-088-6777
NSN 6110-01-633-9660
NSN 5998-00-633-5169
NSN 5925-00-708-8769
NSN 5999-01-262-7118