This standard specifies the characteristics of plain, hexagonal nuts, normal height, normal across flats, in steel,
cadmium plated.
BS EN 3226:2009 Referenced Document
EN 2133 Aerospace series - Cadmium plating of steels with specified tensile strength ≤ 1450 MPa, copper, copper alloys and nickel alloys*, 2020-11-30 Update
EN 2205 Aerospace series - Steel FE-PL1502 (25CrMo4) - 900 MPa less than or equal to Rm less than or equal to 1 100 MPa - Bars - De less than or equal to 40 mm
EN 2424 Aerospace series - Marking of aerospace products
EN 2438 Aerospace series - Steel FE-PL2102 (35NiCr6) - 900 MPa less than or equal to Rm less than or equal to 1 100 MPa - Bars - De less than or equal to 40 mm*, 2024-04-19 Update
EN 2448 Aerospace series - Steel FE-PL1503 (35CrMo4) - 900 MPa less than or equal to Rm less than or equal to 1 100 MPa - Bars - De less than or equal to 40 mm*, 2024-04-19 Update
EN 9100 Quality Management Systems - Requirements for Aviation, Space and Defense Organizations
ISO 5855-2 Aerospace - MJ threads - Part 2: Limit dimensions for bolts and nuts
ISO 8279 Aerospace - Nuts, hexagonal, plain, normal height, normal across flats, with MJ threads, classifications: 600 MPa (at ambient temperature)/120 °C, 600 MPa (at ambient temperature)/235 °C, 900 MPa (at ambient temperature)/425 °C, 1100 MPa (at ambient tempe
ISO 8788 Aerospace — Nuts, metric — Tolerances of form and position*, 2024-04-19 Update
ISO 9139 Aerospace - Nuts, plain or slotted (castellated) - Procurement specification
TR 3823 Aerospace Series Materials for Plain@ Slotted and Self-Locking by Plastic Ring Hexagonal Nuts (Edition 2)
BS EN 3226:2009 history
2010BS EN 3226:2010 Aerospace series. Nuts, hexagon, plain, normal height, normal across flats, steel, cadmium plated. Classification: 1100 MPa/235C
2010BS EN 3226:2009 Aerospace series - Nuts, hexagon, plain, normal height, normal across flats, steel, cadmium plated - Classification: 1100 MPa/235 °C