The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5910-01-219-5239
NSN 5895-01-296-3300
NSN 5965-00-653-4782
NSN 5975-01-263-8420
NSN 5925-01-417-1942
NSN 6320-01-575-6342
NSN 6685-00-527-9489
NSN 5925-01-468-7146
NSN 6650-01-600-1395
NSN 6645-01-100-3296
NSN 5985-01-410-7826
NSN 5990-01-584-8363