The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5895-01-660-7132
NSN 7035-01-457-5121
NSN 6610-00-805-9725
NSN 5999-00-933-1768
NSN 6110-01-529-2287
NSN 6650-01-474-0249
NSN 5915-00-587-8811
NSN 5930-00-960-7650
NSN 5950-01-053-9894
NSN 6110-01-603-2402
NSN 5920-01-065-1824
NSN 6150-01-416-8322