The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6150-00-985-8398
NSN 6135-00-470-7779
NSN 5905-00-823-9400
NSN 5975-01-435-4899
NSN 5985-01-322-4229
NSN 6650-01-590-5439
NSN 6145-00-243-0583
NSN 5835-00-512-4424
NSN 6135-01-408-0313
NSN 5985-01-287-1647
NSN 6220-01-581-8339
NSN 5915-00-595-8090