The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5945-01-510-8334
NSN 5910-00-691-6441
NSN 5920-01-295-3267
NSN 5920-01-644-9694
NSN 5895-00-409-8470
NSN 6645-01-054-4423
NSN 6105-01-218-6105
NSN 5950-00-958-7000
NSN 6145-01-306-5852
NSN 6620-01-573-1952
NSN 5905-00-353-0109
NSN 5996-01-121-8430