| 释义 |
Class 5 may refer to: - British Rail Class 05
- Class 5 telephone switch
- NSB Class 5, a standard-gauge steam locomotive of Norway
- NSB Class V, a narrow-gauge steam locomotive of Norway
- Class V (U.S. Army), Ammunition of all types (including chemical, radiological, and special weapons), bombs, explosives, mines, fuses, detonators, pyrotechnics, missiles, rockets, propellants, and other associated items
- NSB El 5, an electric locomotive of Norway
- NSB Di 5, a diesel locomotive of Norway
- TS Class 5, a tram of Trondheim, Norway
- The fifth class in terms of hiking difficulty in the Yosemite Decimal System
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