The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6650-01-534-3587
NSN 6145-01-463-3008
NSN 5895-01-634-0630
NSN 5835-01-004-6693
NSN 6240-01-604-9172
NSN 5925-01-054-4226
NSN 6150-00-334-9252
NSN 5895-01-647-3237
NSN 6685-01-073-3132
NSN 5975-01-519-2519
NSN 5855-01-543-5011
NSN 5935-01-542-4788