This standard applies to hex nuts of accuracy class C with thread diameters from 5 to 48 mm
GOST 15526-1970 Referenced Document
GOST 1759.0-1987 Bolts, screws, studs and nuts. Specifications*, 1987-04-19 Update
GOST 1759.1-1982 Bolts, screws, studs and nuts. Tolerances. Control methods of dimensions and deviations of form and surface position*, 1982-04-19 Update
GOST 1759.3-1983 Nuts. Surface defects and methods of control*, 1983-04-19 Update
GOST 1759.5-1987 Nuts. Mechanical properties and test methods*, 1987-04-19 Update
1970GOST 15526-1970 Hexagon nuts, product grade C. Construction and dimensions
GOST 15526-1970 Hexagon nuts, product grade C. Construction and dimensions was changed to GOST ISO 4034-2014 Hexagon regular nuts (style 1). Product grade C.