5 INCH 54 CALIBRE GUN AMMUNITION INTERCHANGEABLE WITHIN NATO NAVAL FORCES (ED 1; Amendment 3: 09/18/1990; Amendment 4: 06/18/1997; To obtain please contact your national Defense Standardization Office or the NATO Standardization Office website: http:/ so.
AIM The aim of this agreement is to: a. Provide a catalogue of weapons and ammunition@ commonly used by NATO Naval Forces which will show what ammunition@ from a technical point of view@ can be interchanged and fired by each national weapons system. b. Record@ where necessary@ any additional data or clarifying information required for use in firing such ammunition. c. Explain the use of the interchangeability catalogue.