BS A 319

Aerospace - Nuts, Hexagonal, Plain, Reduced Height, Reduced Across Flats, with MJ Threads, Classifications: 450 MPa (at Ambient Temp)/425 Deg C, 600 MPa (at Ambient Temp)/235 Deg C, 600 MPa (at Ambient Temp)/315 Deg C, 600 MPa (at Ambient Temp)/650 Deg C, 900 MPa (at Ambient Temp)/235 Deg C, 900 MPa (at Ambient Temp)/730 Deg C and 1 100 MPa (at Ambient Temp)/600 Degrees C - Dimensions