The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6145-00-216-6613
NSN 5965-01-346-4547
NSN 6145-01-357-3971
NSN 5950-00-478-1031
NSN 6650-00-294-0881
NSN 6135-00-152-8729
NSN 7035-01-640-7495
NSN 6145-01-304-2284
NSN 6650-01-014-5990
NSN 5915-01-304-0518
NSN 5925-00-490-7919
NSN 5985-00-828-9636