The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6130-01-010-4299
NSN 5920-01-592-3220
NSN 5965-01-442-9749
NSN 5999-01-182-4013
NSN 5975-00-854-2657
NSN 5960-00-034-7925
NSN 5915-00-862-9838
NSN 5895-00-944-6403
NSN 4140-01-487-5453
NSN 6150-01-253-0910
NSN 6650-01-157-1667
NSN 6645-01-421-3629