GOST 28248-1989 Passenger cars. Ball type mechanical connections. Basic dimensions
GOST R 50779.30-1995 Statistical methods. Acceptance sampling. General requirements
GOST R 8.568-1997 State system for ensuring the uniformity of measurements. Verification of testing equipment. General principles
GOST R ISO 2859-1-2007 Statistical methods. Sampling procedures for inspection by attributes. Part 1. Sampling schemes indexed by acceptance quality limit for lot-by-lot inspection
GOST R ISO/TR 8550-1-2007 Statistical methods. Guide to the selection and usage of acceptance sampling systems for inspection of discrete items in lots. Part 1. General requirements
GOST R 53815-2010 history
2010GOST R 53815-2010 Cars. Ball type trailer coupling equipment. Technical requirements and test methods