The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5965-01-088-5414
NSN 5999-01-202-8707
NSN 5855-00-446-5921
NSN 5998-01-149-4146
NSN 6620-01-392-7191
NSN 6145-01-582-1450
NSN 5910-00-170-7170
NSN 7035-01-278-1379
NSN 2925-01-501-1104
NSN 5835-01-422-2399
NSN 5920-01-219-8792
NSN 5855-01-406-8109