National Producer Number definition, categories, type and other relevant information provided by All Acronyms. NPN stands for National Producer Number Search for acronyms, abbreviations,
Height Considerations. There are no height limits for jockeys. However, jockeys tend to be shorter than normal to meet the weight guidelines. The average height for a jockey is between 4 feet 10 inches and 5 feet 6 inches.eight Limits. Depending on specific race and track guidelines, a jockey must weigh between 108 and 118 pounds without clothing and equipment, which can add a significant number of pounds.
Best Answer: The lightest jockey I know of now is 98 pounds, most apprentices have to be around 105 so they are able to take advantage of the 10 and 5 pound weight allowance. The least amount a horse will carry in a handicap race or with a 10 pound apprentice is around 100-105.here is no minimum or maximum height requirement for jockeys. The minimum weight or average weight is 112 (they can weigh less though) and the maximum weight is 117. Source(s): 5 years working with race horses. racehorsegal Â· 9 years ago.