| Abbreviation | Definition |
|---|---|
| NY | Next Year |
| NYG | New York Guard |
| NYGA | New York Guard Association |
| NYHA | New York Heavy Artillery |
| NYMA | New York Military Academy |
| NYOD | New York Ordnance Depot |
| NYSF | New York Special Forces |
| NYSV | New York State Volunteers |
| NYV | New York Volunteers |
| NYVER | New York Volunteer Engineer Regiment |
| NYVI | New York Volunteer Infantry |
| NYW | New York Wing |
| NZCF | New Zealand Cadet Forces |
| NZDF | New Zealand Defence Force |
| NZE | Non- Zero Exposure |
| NZL | New Zealand |
| NZRAF | Royal New Zealand Air Force |
| NZRB | New Zealand Rifle Brigade |
| NZWA | New Zealand Warbirds Association |
| NZY | North Island ( Coronado) Naval Air Station |