ISO 4147:1997 PDF

Scope: This International Standard specifies the dimensions of hexagon slotted (castellated) nuts, normal height, normal across flats, with MJ threads, of classifications: 600 MPa/120 ℃, 600 MPa/235 ℃, 900 MPa/425 ℃, 1 100 MPa/235 ℃, 1 100 MPa/315 ℃, 1 100 MPa/650 ℃, 1 210 MPa/730 ℃, 1 250 MPa/235 ℃ and 1 550 MPa/600 ℃. These nuts are intended to be used with split pins in conformity with ISO 1234. This International Standard is only applicable for the compilation of aerospace product standards. note:1) Corresponds to the minimum tensile stress which the nut is able to withstand at ambient temperature without breaking or cracking when tested with a bolt of a higher strength class. 2) Maximum temperature that the nut is able to withstand, without permanent alteration to its original characteristics, after ambient temperature has been restored. The maximum temperature is conditioned by the material or by the surface treatment.

ISO 4147:1997 history

1997 ISO 4147:1997 Aerospace - Nuts, hexagonal, slotted (castellated), normal height, normal across flats, with MJ threads, classifications: 600 MPa (at ambient temperature)/120 °C, 600 MPa (at ambient temperature)/235 °C, 900 MPa (at ambient temperature)/425 °C, 1100 MPa (
1983 ISO 4147:1983 Metric fasteners for aerospace construction; Hexagon slotted (castellated) nuts; Strength classification 1 100 MPa; Maximum operating temperature 235 degrees C
1982 ISO 4147:1982 Title missing - Legacy paper document