The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5950-00-660-9497
NSN 6150-00-286-0827
NSN 5985-00-390-8837
NSN 6650-01-069-4335
NSN 5935-01-095-4543
NSN 5945-00-593-1736
NSN 6685-01-514-8082
NSN 4140-01-537-0837
NSN 6130-01-492-6148
NSN 5965-00-739-2063
NSN 5975-00-500-0166
NSN 5935-00-463-2653