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BS A 318:1997 Aerospace — Nuts, hexagonal, slotted (castellated), reduced height, reduced across flats, with MJ threads, classifications: 450 MPa (at ambient temperature)/425 °C, 600 MPa (at ambient temperature)/235 °C, 600 MPa (at ambient temperature)/315 °C, 600 MPa (at ambient temperature)/650 °C, 900 MPa (at ambient temperature)/235 °C, 900 MPa (at ambient temperature)/730 °C and 1 100 MPa (at ambient temperature)/600 °C — Dimensions

Description Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail. Abstract This International Standard specifies the dimensions of plain, hexagonal nuts, reduced height, normal across flats, with MJ threads, of classifications: 450 MPa (at ambient temperature)/425 °C, 600 MPa (at ambient temperature)/235 °C, 600 MPa (at ambient temperature)/315 °C, 600 MPa (at ambient temperature)/650 °C, 900 MPa (at ambient temperature)/235 °C, 900 MPa (at ambient temperature)/730 °C and 1 100 MPa (at ambient temperature)/600 °C. 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.

Primary Item Type: British Standard Identifiers: ISBN 0 580 28787 4 ICS 49.030.30 Nuts Language: English Subject Keywords: Diameter; Tensile stress; Threads; Dimensional tolerances; Fasteners; Aircraft components; Castellated-head fasteners; Dimensions; MJ threads; Hexagonal-head fasteners; Temperature; Nuts; Designations First presented to the public: 6/26/2026 Original Publication Date: 11/15/1997 Previously Published By: British Standards Institution Place Of Publication: London, United Kingdom Citation: Extents: Number of Pages - 2 License Grantor / Date Granted:   / ( View License ) Date Deposited 2026-06-26 16:56:18.453 Submitter: Engku Shahidil Engku Ab Rahman

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