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.
Height and Weight Standards. The minimum qualifying height is 58 inches for all candidates, and the maximum qualifying height for all. candidates is 80 inches. Waivers may be granted to a limited number of exceptional candidates whose height. exceeds this standard. The minimum qualifying weight (by height) standards are listed in the table.