The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5998-00-504-8113
NSN 5975-00-082-0894
NSN 7035-01-413-6697
NSN 6645-01-463-3024
NSN 5920-00-199-4050
NSN 5996-01-144-9523
NSN 5996-01-155-2467
NSN 5999-01-573-7602
NSN 6110-00-271-9928
NSN 6150-01-568-6792
NSN 6105-01-130-2417
NSN 6220-01-612-7544