Aerospace - Nuts, Anchor, Self-Locking, Sealing, Floating, Two-Lug, with Counterbore with MJ Threads, Classifications 900 MPa (at Ambient Temperature)/ 120 Degrees Celsius, 900 MPa (at Ambient Temperature)/175 Degrees Celsius and 900 MPa (at Ambient Temperature)/235 Degrees Celsius Dimensions - Second Edition