MIL-STD-644A, MILITARY STANDARD: VISUAL INSPECTION STANDARDS AND INSPECTION PROCEDURES FOR INSPECTION OF PACKAGING, PACKING AND MARKING OF SMALL ARMS AMMUNITION (03 DEC 1962)., This standard prescribes proceduresfor the inspection of packaging, packingand marking of small arms ammunition.It specifies the extent of the inspection ofthe container contents, the containers themselvesand overpacks of such containers. Italso supplies classification of defects, acceptablequality levels and furnishes visual defectstandards when necessary. This standard is intendedto be used by the small arms ammunitionmanufacturer, by the Government for verificationinspection and by any government facilityengaged in the packaging and packingof small arms ammunition. It forms an integralpart of the applicable cartridge specificationand is to be used in conjunctionwith the packaging, packing and markingdrawings referenced therein.【英文标准名称】:Screwgaugelimitsandtolerances–Part2:SpecificationforgaugesforscrewthreadsofWhitworthandB.A.forms
【原文标准名称】:螺纹规限值和公差.惠氏螺纹和B.A.螺纹牙样的螺纹规用规范
【标准号】:BS919-2-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-11-30
【实施或试行日期】:2007-11-30
【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】:英国标准螺纹;英国标准循环螺纹;卡尺(仪表);直径;直径测量;尺寸公差;尺寸;硬度;线性测量仪器;作标记;塞规;环规;定位规;螺纹形状;螺纹量规;螺距;惠氏螺纹
【英文主题词】:BritishAssociationscrewthreads;Britishstandardcyclethreads;Calipers(instruments);Diameter;Diametermeasurement;Dimensionaltolerances;Dimensions;Hardness;Linearmeasuringinstruments;Marking;Pluggauges;Ringgauges;Settinggauges;Threadforms;Threadgauges;Threadpitch;Whitworthscrewthreads
【摘要】:ThisPartofBS919specifiesrequirementsforthefollowinggaugesintendedforcheckingscrewthreadsintheregularseries,suchasBSWhit.,BSFine,B.A.,BSCandBSConduit.a)Screwgaugesforgeneralandreferenceuse:1)solid(non-adjustable)screwpluggauges,GOandNOTGO;2)solidandadjustableGOscrewringgauges;3)adjustablethreadcallipergauges,GOandNOTGO.NOTENOTGOeffectivediameterringgaugesarealsoincludedsincetheyhavecertainlimitedapplications.Inprinciple,however,theiruseisnotrecommended.b)Plainpluggaugesandplaincallipergaugesforthecrestsofthreads.NOTEProvisionismadeinthestandardforbothGOandNOTGOplaingauges,butGOplaingaugesarenormallyrequiredonlyinthecaseofthreadswherethecorrespondingGOscrewgaugesdonotcontrolthemaximummetalconditionatthecrestsofthethreadsoftheproduct.c)Settingplugsforadjustablescrewringandthreadcallipergauges,GOandNOTGO.ThisstandardmaybeappliedalsotogaugesforanyscrewthreadsofWhitworthform,butnottogaugesforAcme,buttressorroundthreads.AnnexAprovidesguidanceonthevarioustypesofgauges.InformationrelatingtotheeffectivediameterequivalentofpitchandangleerrorsandtothethreadformofNOTGOeffectivediametergaugesisgiveninAnnexB,AnnexCandAnnexD.Norequirementsarespecifiedforthematerialsforgauges,butguidanceonthehardnessofgaugesisgiveninAnnexE.
【中国标准分类号】:J05
【国际标准分类号】:21_040_20
【页数】:42P.;A4
【正文语种】:英语