The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5910-00-021-5579
NSN 6105-01-527-9928
NSN 5935-01-274-0288
NSN 5935-01-139-5491
NSN 6320-01-272-7072
NSN 5990-00-998-6193
NSN 6110-00-135-4906
NSN 4140-00-916-2771
NSN 5930-00-925-7560
NSN 5925-01-375-4903
NSN 6110-00-152-1529
NSN 6105-01-283-4119