The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 2925-01-656-0392
NSN 5975-00-442-3500
NSN 5895-01-420-5748
NSN 6150-00-171-9455
NSN 6240-01-387-2081
NSN 6135-01-441-0402
NSN 6620-00-317-1947
NSN 6620-00-762-0349
NSN 6110-01-334-7617
NSN 6150-01-242-6095
NSN 5945-01-196-5128
NSN 5950-01-661-2427