The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5910-01-520-3519
NSN 6650-00-283-0978
NSN 6320-01-150-5378
NSN 6320-01-585-8468
NSN 6145-01-320-5956
NSN 5960-01-169-8215
NSN 6240-01-287-6785
NSN 6150-00-942-4917
NSN 5975-01-627-9023
NSN 5855-01-573-5035
NSN 5985-01-634-0635
NSN 5935-01-194-1338