標準號：SIS SS-ISO 8940-1990
中文標準名稱：航空航天．帶沉孔雙耳浮動型系留密封式自鎖螺母分類900 兆帕/120 °C，900 兆帕/175 °C 和900 兆帕/ 235 °C尺寸
英文標準名稱：Aerospace — Nuts, anchor, self-locking,sealing, floating, two-lug, with counter-bore, classifications 900 MPa/120 °C,900 MPa/175 °C and 900 MPa/ 235 °C -Dimensions
發布日期：1990/1/31 12:00:00
實施日期：1999/12/31 12:00:00
適用范圍：This International Standard specifies the dimensions for two-lug, floating, counterbored, anchor nuts, with a self-locking feature achieved by forming the upper portion of the nut element out-of-round, having the following classifications :- 900 MPa/120 °C,- 900 MPa/175 °C,- 900 MPa/235 °C,and into which a sealing ring is incorporated to stop leakage past the threads.NOTE — The dimensions specified in this International Standard have been specified so that the requirements laid down in the procurement specification, ISO 5858, are complied with.This International Standard is intended solely for the drawing up of complete product standards which, in order for such nuts to be manufactured, shall include, in addition to the details given in figure 1 and table 1, the following information :— material1';— possible surface coating(s)1);— procurement specification, i.e. ISO 5858;