BS 3A 125 to 3A 132, 3A 136 to 3A 143, 3A 147 to 3 航天器用系紧螺母(统一螺纹)规范
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【英文标准名称】:Specificationforstiffnuts(Unifiedthreads)foraircraft
【原文标准名称】:航天器用系紧螺母(统一螺纹)规范
【标准号】:BS3A125to3A132,3A136to3A143,3A147to3
【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(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:铝合金;名称与符号;作标记;青铜;螺纹紧固件;螺母;试验设备;盖形薄螺母;尺寸;扭转试验;资格鉴定;螺纹量规;防护覆层;检验;耐久试验;高温试验;六角头紧固件;系紧螺母;内螺纹紧固件;紧固件;统计质量控制;阳极氧化;黄铜;飞行器部件;低温试验;航空运输工程;压力试验;扭矩;螺纹零件;塞规;钢;统一螺纹
【英文主题词】:threadedfasteners;dimensions;statisticalqualitycontrol;fasteners;hexagonal-headfasteners;qualificationapproval;bronzes;testequipment;capnuts;designations;pressuretesting;marking;aluminiumalloys;anchornuts;aircraftcomponents;threadedcomponents;inspection;endurancetesting;unifiedscrewthreads;torque;protectivecoatings;brass;pluggauges;airtransportengineering;anodizing;low-temperaturetesting;internal-threadfasteners;torsiontesting;threadgauges;nuts;high-temperaturetesting;steels
【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
【原文标准名称】:航天器用系紧螺母(统一螺纹)规范
【标准号】:BS3A125to3A132,3A136to3A143,3A147to3
【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(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:铝合金;名称与符号;作标记;青铜;螺纹紧固件;螺母;试验设备;盖形薄螺母;尺寸;扭转试验;资格鉴定;螺纹量规;防护覆层;检验;耐久试验;高温试验;六角头紧固件;系紧螺母;内螺纹紧固件;紧固件;统计质量控制;阳极氧化;黄铜;飞行器部件;低温试验;航空运输工程;压力试验;扭矩;螺纹零件;塞规;钢;统一螺纹
【英文主题词】:threadedfasteners;dimensions;statisticalqualitycontrol;fasteners;hexagonal-headfasteners;qualificationapproval;bronzes;testequipment;capnuts;designations;pressuretesting;marking;aluminiumalloys;anchornuts;aircraftcomponents;threadedcomponents;inspection;endurancetesting;unifiedscrewthreads;torque;protectivecoatings;brass;pluggauges;airtransportengineering;anodizing;low-temperaturetesting;internal-threadfasteners;torsiontesting;threadgauges;nuts;high-temperaturetesting;steels
【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
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