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ISO 4147:1997

Current Revision

Aerospace - Nuts, hexagonal, slotted (castellated), normal height, normal across flats, with MJ threads, classifications: 600 MPa (at ambient temperature)/120 degrees C, 600 MPa (at ambient temperature)/235 degrees C, 900 MPa (at ambient temperature)/425 degrees C, 1 100 MPa (at ambient temperature)/235 degrees C, 1 100 MPa (at ambient temperature)/315 degrees C, 1 100 MPa (at ambient temperature)/650 degrees C, 1 210 MPa (at ambient temperature)/730 degrees C, 1 250 MPa (at ambient temperature)/235 degrees C and 1 550 MPa (at ambient temperature)/600 degrees C - Dimensions

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This International Standard specifies the dimensions of hexagon slotted (castellated) nuts, normal height, normal across flats, with MJ threads, of classifications: 600 MPa1)/120 °C2), 600 MPa1)/235 °C2), 900 MPa1)/425 °C2), 1100MPa1)235 °C2), 1100 MPa1)/315 °C2), 1100 MPa1)650 °C2), 1210 MPa1)730 °C2), 1 250 MPa1)/235 °C2) and 1550 MPa1)600 °C2).

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.

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.


SDO ISO: International Organization for Standardization
Document Number ISO 4147
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 20/SC 4/WG 4
Publish Date Document Id Type View
Not Available ISO 4147:1997 Revision