This standard applies to hexagonal high nuts of accuracy class B with thread diameters from 3 to 48 mm
GOST 15523-1970 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