This standard applies to compression and extension springs of class 1, category 2 with maximum spring deformation forces (F3) from 1.00 to
GOST 13767-1986 Referenced Document
GOST 1071-1981 Heat-treated steel spring wire. Specifications
GOST 13764-1986 Cylindrical helical compression (tension) springs made of round steel. Classification
GOST 13765-1986 Cylindrical helical compression (tension) springs made of round steel. Designation of parameters, methods for determination of dimensions