BS A 319:1997, ISO 12268:1997

Nuts, hexagonal, plain, 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 1100 MPa (at ambient temperature)/600°C. Dimensions|Aircraft components, Nuts, Threaded fasteners, Fasteners, Hexagonal-head fasteners, MJ threads, Threads, Classification systems, Grades (quality), Tensile strength, Stress, Temperature, Diameter, Dimensions, Dimensional tolerances, Designations, Codes, Roughness (surface), Angles (geometry) Click the banner to get it at ONLY: GBP98.00