ISO 12278:1999
航空航天.等級為:900 MPa(環境溫度)/235℃、1100 MPa(環境溫度)/235℃、1250 MPa(環境溫度)/235℃和550 MPa(環境溫度)/235℃,帶MJ螺紋自調準筒形游動自鎖螺母.尺寸
Aerospace - Nuts, barrel, self-locking, floating, self-aligning, with MJ threads, classifications: 900 MPa (at ambient temperature)/235 °C, 1100 MPa (at ambient temperature)/235 °C, 1250 MPa (at ambient temperature)/235 °C and 1550 MPa (at ambient tempera