BS 3A 125 to 3A [...]-1981 飞行器用防松螺帽规范(统一螺纹)

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【英文标准名称】:Specificationforstiffnuts(Unifiedthreads)foraircraft
【原文标准名称】:飞行器用防松螺帽规范(统一螺纹)
【标准号】:BS3A125to3A[...]-1981
【标准状态】:现行
【国别】:英国
【发布日期】:1981-06-30
【实施或试行日期】:1981-06-30
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:1TheseBritishStandardscoverthedimensions,material,finish,testingandidentificationofaircraftstiffnutswithUnifiedthreads.Accordingtothematerialsusedintheirconstruction,thestiffnutsareclassifiedassatisfactoryforuseatsustainedtempera-tureswithinthefollowingranges:(a)-75℃to+425℃:corrosion-resistingsteelnuts,silverplatedorunplated(b)-75℃to+200℃:steelandcorrosion-resistingsteelnuts,cadmiumplated(c)-75℃to+125℃:aluminiumalloy,brassorbronzenuts.NOTE.Allnutsarecapableofremainingeffectiveforservicingoperationsat-40℃.2StiffnutsofthefollowingtypesarecoveredbytheseBritishStandards:(a)hexagonnuts:ordinary,thinandcap(b)anchornuts:(1)double-lugfixed:ordinary,thinandcap(2)double-lugfloating:ordinaryandthin(3)single-lugfixed:ordinaryandthin(c)stripnutsfloating:ordinaryandthin.3Inthesestandards,thenutbodies,whetherofnormalhexagonformornot,haveathreadstrengthasleastasgreatasthecorrespondingstandardnuts.
【中国标准分类号】:V20
【国际标准分类号】:49_030_30
【页数】:32P;A4
【正文语种】:英语