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BSI BS A 340:1999

Nuts, anchor, self-locking, fixed, 90° corner, reduced series, with counterbore, with MJ threads, classifications: 1100 MPa (at ambient temperature)/235°C, 1100 MPa (at ambient temperature)/315°C and 1100 MPa (at ambient temperature)/425°C. Dimensions
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BSI BS A 340:1999

Nuts, anchor, self-locking, fixed, 90° corner, reduced series, with counterbore, with MJ threads, classifications: 1100 MPa (at ambient temperature)/235°C, 1100 MPa (at ambient temperature)/315°C and 1100 MPa (at ambient temperature)/425°C. Dimensions

PUBLISH DATE 1999
BSI BS A 340:1999

This International Standard specifies the dimensions of self-locking, fixed, 90° corner anchor nuts, reduced series, with counterbore, with MJ threads, of classifications:

1 100 MPa 1)/235 °C 2), 1 100 MPa 1)/315 °C 2) and 1 100 MPa 1)/425 °C 2).

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 BSI: British Standards Institution
Document Number A 340
Publication Date Feb. 15, 1999
Language en - English
Page Count
Revision Level
Supercedes
Committee ACE/12
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