2014GOST 33200-2014 Axles for wheelsets of railway rolling stock. General specifications
2007GOST 31334-2007 Axles for rolling stock of 1520 mm gauge railways. Specifications
1996GOST 30272-1996 Black collar axles (profile stock) for 1520 mm gauge railways. Specifications
GOST 30272-1996 Black collar axles (profile stock) for 1520 mm gauge railways. Specifications was changed to GOST 31334-2007 Axles for rolling stock of 1520 mm gauge railways. Specifications.