The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5925-01-600-6772
NSN 5990-01-631-9791
NSN 6145-01-070-4057
NSN 5855-01-392-1110
NSN 5985-01-359-4207
NSN 5910-01-269-5207
NSN 2925-00-753-8598
NSN 4140-01-377-5828
NSN 5945-01-226-6075
NSN 4140-01-384-5111
NSN 5999-01-323-0513
NSN 5985-01-634-0635