SIS SS-ISO 3221-1991 航空航天．带沉孔、90 °角、自锁、固定的MJ螺纹系紧螺母，有涂层或无涂层，分类1100MPa/235 ℃， 1100 MPa/315 ° C或1100 MP

标准号：SIS SS-ISO 3221-1991
中文标准名称：航空航天．带沉孔、90 °角、自锁、固定的MJ螺纹系紧螺母，有涂层或无涂层，分类1100MPa/235 ℃， 1100 MPa/315 ° C或1100 MPa/425 ℃ 尺寸
英文标准名称：Aerospace — Nuts, anchor, self-locking, fixed, 90° corner, with counterbore, with MJ threads, coated or uncoated, classifica- tion1100MPa/235°C, 1100 MPa/315 °C or 1100 MPa/425 °C - Dimensions
发布日期：1991/9/11 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：This International Standard lays down the dimensions for fixed, 90° corner, counterbored anchor nuts, with MJ threads, coated or uncoated, with a self-locking feature achieved by for-ming the upper portion out-of-round and with a classification of- 1 100 MPa/235 °C; or- 1 100 MPa/315 °C; or- 1 100 MPa/425 °C.