Aerospace - Nuts, bihexagonal, self-locking, MJ threads, classifications: 1100 MPa (at ambient temperature)/425 C, 1100 MPa (at ambient temperature)/650 C, 1210 MPa (at ambient temperature)/425 C, 1210 MPa (at ambient temperature)/730 C, 1550 MPa (at ambient temperature)/235 C, 1550 MPa (at ambient temperature)/425 C and 1550 MPa (at ambient temperature)/ 600 C - Dimensions