The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5950-01-114-5076
NSN 5965-01-202-1007
NSN 5935-00-282-2729
NSN 5930-00-460-8396
NSN 5895-01-234-4612
NSN 6320-01-415-0953
NSN 5915-00-246-0596
NSN 6610-01-563-4312
NSN 5975-01-141-0316
NSN 6150-01-014-4420
NSN 5905-01-207-0907
NSN 5950-00-248-6921