The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 4140-01-087-2100
NSN 5905-00-188-8228
NSN 5960-00-752-1012
NSN 6220-01-146-4469
NSN 5996-00-329-2886
NSN 5925-01-512-6798
NSN 5855-00-327-2112
NSN 5895-01-284-0158
NSN 7035-00-585-2113
NSN 5960-01-230-9322
NSN 5999-01-593-9096
NSN 5950-01-085-2200