| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| NES | NESMA[3733] | S | NAR | |
| NSE | NEUSE[3733] | TR.AE | W | USA:NC |
| NEA | NEWANA[3733] | TR.AE | S | USA:MO |
| NSR,2 | NEWSAR[3733] | TR.AE | W | USA |
| NTH | NEWTHATCH[3733] | TR.AE | S | USA:MN |
| NEW | NEWTON[3733] | TR.AE | W | USA:KS |
| NIO | NIOBRARA[3733] | TR.AE | W | USA:NE |
| N28,2 | NOLL-28[3733] | TR.AE | W | USA |
| NDIC | NORDIC[3733] | TR.AE | S | USA |
| NRN10 | NORIN-10[3733] | TR.AE | JPN | |
| NRN26 | NORIN-26[3733] | TR.AE | JPN | |
| NRN29 | NORIN-29[3733] | TR.AE | JPN | |
| NRN3,2 | NORIN-3[3733] | TR.AE | JPN | |
| NRN4,2 | NORIN-4[3733] | TR.AE | JPN | |
| NDER | NORLANDER[3733] | TR.AE | S | USA |
| NDIE,2 | NORMANDIE[3733] | TR.AE | S | FRA |
| NSN,2 | NORSEMAN[3733] | TR.AE | S | USA |
| NR,2 | NURED[3733] | TR.AE | W | USA:NY |
| NURI | NURI-F-70[3733] | TR.AE | S | MEX |
| OAS86 | OASIS-86[3733] | TR.AE | S | MEX |