The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5835-01-478-0157
NSN 4140-00-585-8404
NSN 6135-00-269-5843
NSN 5975-00-886-1548
NSN 5998-01-199-3543
NSN 5895-01-167-1023
NSN 5950-01-617-2288
NSN 5965-01-386-2988
NSN 7035-01-441-0942
NSN 5999-01-144-3042
NSN 5895-00-370-8115
NSN 5960-01-160-3437