Empty cylinder only.
NSN 5996-00-140-2514
NSN 6685-01-391-6790
NSN 6320-01-445-5893
NSN 6645-01-036-5027
NSN 5985-01-574-9178
NSN 6220-01-539-8875
NSN 5975-01-058-9099
NSN 5999-01-389-0227
NSN 6240-01-621-1117
NSN 5960-00-960-6805
NSN 5895-01-052-4282
NSN 6135-00-823-3034