The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5965-01-423-8543
NSN 6650-01-334-9410
NSN 5925-00-122-3247
NSN 5930-01-332-4014
NSN 6620-01-420-8666
NSN 6610-01-200-6861
NSN 6150-01-127-2006
NSN 6650-01-423-5649
NSN 5990-01-621-6969
NSN 5996-01-568-7179
NSN 5935-01-634-0668
NSN 5935-01-180-8995