The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5990-01-432-0523
NSN 5915-01-192-5190
NSN 5990-01-476-9956
NSN
NSN 5895-00-045-7127
NSN 5960-00-170-9614
NSN 5999-00-835-5393
NSN 6145-00-291-5388
NSN 4140-01-604-8073
NSN 5835-01-263-1293
NSN 7035-00-574-4223
NSN 5835-01-237-8486