503 (disambiguation)
503 stands for:
- the year 503 AD
- the year 503 BC Chr.
Technology:
- Rh 503 , a single-barrel, externally powered automatic cannon from the German company Rheinmetall Defense
- Rotax 503 , one of a range of small piston engines for aerospace applications
- Sachs 503 , a single-cylinder moped engine from the German manufacturer Fichtel & Sachs
IT:
- 503 (Service Unavailable) , an HTTP status code, see HTTP Status Code # 5xx - Server Error
Traffic routes:
- Federal road 503 in Schleswig-Holstein
- Route nationale 503 , French national road from 1933 to 1973
Transportation:
- Avro 503 , a biplane aircraft made by the British manufacturer Avro
- BMW 503 , a two-door sports car made by Bayerische Motoren Werke
- Fiat 503 , a model of a Fiat car
- MAZ-503 , a Soviet truck
- Piaggio Gilera Eaglet 50 Type 503 Mini Chopper , a small motorcycle in the chopper style
See also:
- List of all Wikipedia articles with titles starting with 503 (disambiguation)
- List of all the Wikipedia article whose title 503 (disambiguation) contains
