BS AU 2a-1970 超重型半挂车用直径为3.5 - 4.5的第五轮大号销钉尺寸规范

标准号：BS AU 2a-1970
中文标准名称：超重型半挂车用直径为3.5 - 4.5的第五轮大号销钉尺寸规范
英文标准名称：Specification for dimensions of 31/2 - 41/2 in diameter fifth wheel king pin for use with extra heavy duty semi-trailers
标准类型：T71
发布日期：1970/8/28 12:00:00
实施日期：1970/8/28 12:00:00
中国标准分类号：T71
国际标准分类号：43.040.70;43.080.10
适用范围：This British Standard specifies dimensions for a 7/2 - 9/2 in diameter king pin for fifth wheel attachment to semi-trailers for extra heavy duty. . A fifth wheel king pin for attachment to semi-trailers for normal and heavy duty is covered in BS AU 1, 'Dimensions of 2 - 23/8 in diameter fifth wheel king pin for use with semi-trailers'. The clearance dimensions and fifth wheel positions are given in BS AU 3, 'Clearance dimensions and fifth wheel positions for tractors and semi-trailers'. NOTE 2. The values specified in imperial units are to be regarded as the standard.