The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5950-00-201-5110
NSN 7035-00-541-8516
NSN 6320-01-426-8947
NSN 6620-01-557-0583
NSN 6320-01-612-7035
NSN 6145-01-473-4717
NSN 6130-00-007-1453
NSN 6145-00-086-3746
NSN 5990-00-351-5479
NSN 6145-01-318-3356
NSN 5910-01-005-6386
NSN 5999-01-429-8560