The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6110-00-338-9015
NSN 5895-01-298-2135
NSN 5960-00-815-3049
NSN 5996-01-506-7585
NSN 6645-01-512-6760
NSN 5925-01-135-0119
NSN 6145-01-622-0035
NSN 5855-01-132-5139
NSN 2925-00-756-8510
NSN 5915-00-823-8334
NSN 6650-00-479-2089
NSN 5960-01-322-4341