The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5996-01-415-3291
NSN 6130-00-707-5931
NSN 5835-01-115-4056
NSN 6220-01-104-5604
NSN 5925-01-540-3872
NSN 5965-01-461-7195
NSN 6320-00-336-9123
NSN 6110-01-440-2566
NSN 6240-00-753-7586
NSN 5998-00-542-9656
NSN 6620-01-213-8772
NSN 6105-01-583-3982