The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5895-00-596-8678
NSN 5996-01-163-8739
NSN 7035-01-286-1075
NSN 5960-00-965-5577
NSN 5965-01-580-0572
NSN 6130-01-640-8291
NSN 6610-01-461-8180
NSN 5920-00-226-7148
NSN 5935-00-185-5560
NSN 6145-00-234-6085
NSN 6220-00-706-2772
NSN 5925-01-525-7060