HB7686-2001使用温度高于425-℃的MJ螺纹自锁螺母通用.pdf

《HB7686-2001使用温度高于425-℃的MJ螺纹自锁螺母通用.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、中华人民共和国航空行业标准BB7686一2001使用温度高于425℃的MJ螺纹自锁螺母通用规范2001一11一15发布2002一02一01实施国防科学技术工业委员会发布HB7686一2001目次前言·······························，···········.........................................................·一n1范围·······，············，·································································

2、··，·········⋯⋯12引用标准····························································································⋯⋯13要求····························································································-·····⋯⋯13.1材料············，······················································

3、········，··················⋯⋯13.2表面涂覆················，···········································································一23.3表面状态·························································································⋯⋯33.4标志·.......................................................

4、..............................................33.5尺寸································································································⋯⋯33.6性能·······························，·················································，·············⋯⋯33.7交货······························，·

5、····························································⋯⋯54试验方法·····························································································⋯⋯65检验规则·····························································································⋯⋯65.1检验分类···················

6、·················································。····················⋯⋯65.2批的组成··························································································⋯⋯65.3鉴定检验................................................................................................65.4验收检验·······

7、····················································，···················，···⋯⋯6附录A(标准的附录)允许表面缺陷的类型··················································⋯⋯巧HB7686一2001前言本标准参考国际标准ISO8641一1987<使用温度高于425℃的川螺纹自锁螺母采购规范》的有关规定并结合高温合金自锁螺母在我国航空领域的试制、使用情况编制而成。本标准与HB768