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
Specification for dimensions of 31/2 - 41/2 in diameter fifth wheel king pin for use with extra heavy duty semi-trailers
- 标准号
- BS AU 2a-1970
- 发布日期
- 1970年08月28日
- 实施日期
- 1970年08月28日
- 废止日期
- 无
- 中国标准分类号
- T71
- 国际标准分类号
- 43.040.70;43.080.10
- 发布单位
- GB-BSI
- 被代替标准
- BS AU 2-1963
- 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. NOTE 1. 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.