BS ISO 8279:2008
Действует
Aerospace. Nuts, hexagonal, plain, normal height, normal across flats, with MJ threads, classifications: 600 MPa (at ambient temperature)/120 $0DC, 600 MPa (at ambient temperature)/235 $0DC, 900 MPa (at ambient temperature)/425 $0DC, 1100 MPa (at ambient temperature)/ 235 $0DC, 1100 MPa (at ambient temperature)/315 $0DC, 1100 MPa (at ambient temperature)/650 °C, 1210 MPa (at ambient temperature)
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