The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5895-01-647-5464
NSN 6610-01-084-4488
NSN 6650-01-443-3668
NSN 5930-00-862-7001
NSN 5920-01-142-1836
NSN 5999-01-126-0927
NSN 6685-01-586-5808
NSN 6145-01-365-3709
NSN 6685-01-420-5764
NSN 6620-01-088-1272
NSN 6610-01-433-2219
NSN 6610-00-943-3097