The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5835-00-180-7555
NSN 5965-01-215-0993
NSN 6220-01-591-9268
NSN 2925-01-100-3694
NSN 6620-01-607-5738
NSN 5996-01-148-1252
NSN 7035-01-590-5755
NSN 5855-01-318-7663
NSN 5835-01-170-5537
NSN 5935-01-295-3354
NSN 6150-01-014-4043
NSN 5855-00-100-9003