ISO-12278 › Aerospace -- Nuts, barrel, self-locking, floating, self-aligning, with MJ threads, classifications: 900 MPa (at ambient temperature) / 235 degrees C, 1100 MPa (at ambient temperature) / 235 degrees C, 1250 MPa (at ambient temperature) / 235 degrees C and 1550 MPa (at ambient temperature) / 235 degrees C -- Dimensions

ISO-12278 - 1ST EDITION - CURRENT


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This International Standard specifies the dimensions of self-locking, floating, self-aligning barrel nuts, with MJ threads, for classifications : 900 MPa1)/235 °C2), 1 100 MPa1)/235 °C2), 1 250 MPa1)/235 °C2) and 1550 MPa1)/235 °C2).

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 surface treatment.

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Document Number

ISO 12278:1999

Revision Level

1ST EDITION

Status

Current

Publication Date

Nov. 1, 1999

Committee Number

ISO TC 20/SC 4/WG 4