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ISO 12278:1999

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
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International Organization for Standardization Logo

ISO 12278:1999

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

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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.

SDO ISO: International Organization for Standardization
Document Number ISO 12278
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 12278:1999 Revision