NAT-STD-2856 Complete Document History
20 mm m168(Vulcan) and m61 (20 mm X 102) Ammunition Interchangeable Within Nato To Lan


Obsolete Revision Information:
   NOTICE - 20 MM M168#VULCAN# AND M61 #20 - March 27, 1984
   BASE - 20 MM M168#VULCAN# AND M61 #20 - March 27, 1984
   AMENDMENT 1 - 20 MM M168#VULCAN# AND M61 #20 - Jan. 1, 1960