The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5925-01-179-4774
NSN 5985-00-105-3774
NSN 5905-01-560-3856
NSN 5930-00-713-6861
NSN 5925-01-301-2920
NSN 5895-01-655-4363
NSN 6130-00-505-1165
NSN 6240-00-041-5043
NSN 5965-01-332-6693
NSN 5950-01-521-0236
NSN 6645-01-492-5304
NSN 5985-00-561-0047