The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5935-01-290-4547
NSN 5930-01-013-4056
NSN 5950-01-463-2509
NSN 5945-01-387-0820
NSN 5950-00-730-4508
NSN 5998-01-090-0724
NSN 5999-00-455-2456
NSN 6610-01-482-2196
NSN 5930-01-100-4248
NSN 5835-01-150-6084
NSN 5930-01-148-5414
NSN 7035-00-205-1932