The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 6610-00-652-8543
NSN 6240-00-948-1108
NSN 5960-01-413-3877
NSN 5925-01-057-0417
NSN 5965-00-568-5802
NSN 6145-01-519-8210
NSN 2925-01-604-8984
NSN 6685-00-800-8143
NSN 5998-00-764-8822
NSN 5985-01-196-1191
NSN 5998-01-293-5007
NSN 5935-00-825-1693