Form, fit and function: Difference between revisions

Revision as of 21:13, 14 September 2024

Revision as of 21:41, 14 September 2024

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{{Short description|Concept in design processes}}

{{more footnotes|date=October 2017}}

'''Form, Fit, and Function''' (also '''F3''' or '''FFF)''') is a concept used in various industries, including manufacturing, engineering, and architecture, to describe aspects of a product's design, performance, and compliance to a specification. F3 refersoriginated in [[military logistics]] to adescribe setinterchangeable ofparts: characteristicsif orF3 requirementsfor thattwo arecomponents essential forhave the designsame and compatibilityset of productscharacteristics, components,i.e. orthey systems,have andthe cansame haveshape legalor considerations''form'', insame regulatedconnections industriesor like aviation''fit'', and defenseperform (e.g.the same ''function'', forthey technicalcan databe rightssubstituted andone configurationfor management)another.<ref name="ECFR252">{{cite webjournal |urllast1=https://www.ecfr.gov/current/title-48/chapter-2/subchapter-H/part-252/subpart-252.2/section-252Moore |first1=James W.227-7015 |title=TitleStructure 48,for Chaptera 2,Defense SubchapterSoftware H,Reuse Part 252, Subpart 252.2, Section 252.227-7015Marketplace |publisherjournal=ElectronicACM CodeAda of Federal RegulationsLetters |accessdatedate=2023-10-14}}<May/ref><refJun name="GlobalSpec">{{cite web1994 |urlvolume=https://www.globalspec.com/reference/60484/203279/chapter-11-configuration-managementXIV |titleissue=Chapter 11: Configuration Management3 |publisherpage=GlobalSpec |accessdate=2023-10-14}}</ref><ref name="NASA">{{cite web88 |url=https://wwwdl.nasaacm.govorg/referencedoi/6-5-configuration-managementpdf/ |title=NASA Procedural Requirements: Configuration Management |publisher=NASA |accessdate=2023-10-14.1145/181468.181473}}</ref>

TheFFF conceptrefers originatesto ina theset 1960s,of andcharacteristics inor somerequirements casesthat asare form-fit-function.<refessential name="DTIC">{{citefor webthe |url=https://apps.dtic.mil/sti/tr/pdf/AD0700066.pdfdesign |title=Form-Fit-Functionand |publisher=Defensecompatibility Technicalof Informationproducts, Centercomponents, |accessdate=2023-10-14}}</ref>or Thesystems, Unitedand Statescan (US)have Government formallylegal recognized itconsiderations in theregulated legalindustries incorporationlike ofaviation Publicand Lawdefense 98-525(e.g., regardingfor technical data rights and designconfiguration changesmanagement).<ref name="USCodeECFR252">{{cite web |url=https://www.govinfoecfr.gov/contentcurrent/pkgtitle-48/STATUTEchapter-982/pdfsubchapter-H/STATUTEpart-98252/subpart-Pg2492252.pdf |title=Public Law 982/section-525 |publisher=U252.S. Government227-7015 |accessdatetitle=2023-10-14}}</ref>Title F348, canChapter also2, referSubchapter toH, thePart ability of a replacement unit or technology upgrade to be compatible with existing systems252, orSubpart be compatible with change control procedures (e.g252.2, NASA'sSection use in reliability via military standards)252.<ref name="NASA2">{{cite web |url=https://nepp.nasa.gov/docuploads/6000C904227-3093-44CA-96A78169BC195A26/Commercial%20Plastic%20Microcircuits%20A%20Total%20Solution%20For%20Military%20Applications.pdf7015 |titlepublisher=CommercialElectronic PlasticCode Microcircuits:of AFederal Total Solution For Military Applications |publisher=NASARegulations |accessdate=2023-10-14}}</ref><ref name="DLA1GlobalSpec">{{cite web |url=https://quicksearchwww.dlaglobalspec.milcom/qsDocDetails.aspx?ident_number=69354reference/60484/203279/chapter-11-configuration-management |title=QuickChapter Search Document11: 69354Configuration Management |publisher=Defense Logistics AgencyGlobalSpec |accessdate=2023-10-14}}</ref><ref name="DLA2NASA">{{cite web |url=https://quicksearchwww.dlanasa.milgov/reference/6-5-configuration-management/qsDocDetails.aspx?ident_number=67840 |title=QuickNASA SearchProcedural DocumentRequirements: 67840Configuration Management |publisher=Defense Logistics AgencyNASA |accessdate=2023-10-14}}</ref>

The concept originates in the 1960s, and in some cases called "form-fit-function".<ref name="DTIC">{{cite web |url=https://apps.dtic.mil/sti/tr/pdf/AD0700066.pdf |title=Form-Fit-Function |publisher=Defense Technical Information Center |accessdate=2023-10-14}}</ref> The United States (US) Government formally recognized it in the legal incorporation of Public Law 98-525 regarding technical data and design changes.<ref name="USCode">{{cite web |url=https://www.govinfo.gov/content/pkg/STATUTE-98/pdf/STATUTE-98-Pg2492.pdf |title=Public Law 98-525 |publisher=U.S. Government |accessdate=2023-10-14}}</ref> F3 can also refer to the ability of a replacement unit or technology upgrade to be compatible with existing systems, or be compatible with change control procedures (e.g., NASA's use in reliability via military standards).<ref name="NASA2">{{cite web |url=https://nepp.nasa.gov/docuploads/6000C904-3093-44CA-96A78169BC195A26/Commercial%20Plastic%20Microcircuits%20A%20Total%20Solution%20For%20Military%20Applications.pdf |title=Commercial Plastic Microcircuits: A Total Solution For Military Applications |publisher=NASA |accessdate=2023-10-14}}</ref><ref name="DLA1">{{cite web |url=https://quicksearch.dla.mil/qsDocDetails.aspx?ident_number=69354 |title=Quick Search Document: 69354 |publisher=Defense Logistics Agency |accessdate=2023-10-14}}</ref><ref name="DLA2">{{cite web |url=https://quicksearch.dla.mil/qsDocDetails.aspx?ident_number=67840 |title=Quick Search Document: 67840 |publisher=Defense Logistics Agency |accessdate=2023-10-14}}</ref>

== Alternate Uses ==