BS EN 2754-2006 航空航天系列.沉头浮动双耳自锁紧固定式螺母.分类:1100 MPa/235℃
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标准号:BS EN 2754-2006
中文标准名称:航空航天系列.沉头浮动双耳自锁紧固定式螺母.分类:1100 MPa/235℃
英文标准名称:Aerospace series - Nuts, anchor, self locking, two lug, floating with counterbore - Classification: 1100 MPa/235 C
标准类型:V20
发布日期:2006/5/31 12:00:00
实施日期:2006/5/31 12:00:00
中国标准分类号:V20
国际标准分类号:49.030.30
引用标准:ISO 3209;ISO 5855-1;ISO 5855-2;ISO 5858;ISO 8788
适用范围:This standard specifies the characteristics of two lug, counterbored, floating anchor nuts, with a self-lockingfeature achieved by forming the upper portion out-of-round, the dimensions of which are in conformity withISO 3209.These nuts are intended for use in aircraft assemblies, in which the fasteners are mainly subjected to shearloads. The counterbore of nuts with thread diameter equal to or greater than 4 mm is deep enough toaccommodate a bolt shank in excess of assembly thickness, as well as the incomplete threads.The 3 mm diameter nut has no counterbore.They are intended to be used with threaded parts of 1 100 MPa 1) tensile strength classification.The cadmium plating restricts the application to temperatures not exceeding 235 °C.
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