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Defines what constitutes measurable characteristics and distinguishes standard product characteristics from KPCs whose variation within tolerance significantly affects safety, environmental regulation, customer interface, performance/function, cosmetics, or customer-mandated 100% detection. Requires all Lisk product lines, sites, and external suppliers to follow KPC designation on drawings and process control plans, with documented selection criteria, control codes, inspection expectations, and statistical control methods.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/key-product-characteristic-designation-and-management-system-revision-5-purpose-and-scope/648420/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/key-product-characteristic-designation-and-management-system-revision-5-purpose-and-scope/648420.png","ImageObject",300,407,{"name":92,"@type":93},"Lucas Martin","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-27","2026-10-23",true,{"@type":102,"interactionType":103,"userInteractionCount":14},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What are Key Product Characteristics (KPC’s) and how are they defined in the standard?","Question",{"text":112,"@type":113},"KPC’s are features of a material, process, or part whose variation within specified tolerance significantly influences safety, environmental regulation, customer interface, performance/function, cosmetics, or customer-mandated 100% detection. 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KPCs must be marked on drawings using the Lisk drafting standard and flow down to FMEA, control plans, and work instructions, including supplier requirements.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},648420,1793088317,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":14,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":29,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":144},8796095360427,"https://ap-avatar.wpscdn.com/davatar_994ba38a5ba835b3df7d355c54d3ed8d","Key Product Characteristic Designation and Management  \nSystem  \nPWI 04.02.06  \nRevision 5  \nFinal Approval: Ron Panek Date: 05Jul18  \nPurpose and Scope: This standard outlines requirements for how to control potential risks related to product and process through the identification and management of Key Product Characteristics (KPC’s)  \nThe purpose of this standard is to facilitate and harmonize the use of Key Product Characteristics on drawings and Process Control Plans throughout Lisk and its supply chain. It explains the designation of Key Product Characteristics to fulfill functional and regulatory requirements.  \nAll Lisk product lines, sites and external suppliers referred to within this procedure must adhere to this standard.  \nDocument Owner: Pat Pendell  \nDefinitions:  \nCharacteristics: dimensions or physical, chemical, electrical, mechanical or visual properties. A characteristic must be measureable either as a variable or attribute.  \nStandard Product Characteristics: features where variation within tolerance will have no significant impact on Safety and/or Environmental Regulation, Customer Interface, Performance/Function, Cosmetics or Customer-mandated 100% detection. These characteristics have no special identifications on drawings.  \nKey Product Characteristics (KPC’s) : features of a material, process, or part (includes assemblies) whose variation within the specified tolerance has a significant influence on Safety and/or Environmental Regulation, Customer Interface, Performance/Function, Cosmetics or Customer-mandated 100% detection.  \nPersonnel:  \nProduct Line Engineering Manager: responsible for ensuring that this standard is followed, monitored and observed during the NPDP process.  \nProject Engineer: responsible for identifying the Key Product Characteristics on all drawings for projects governed by the NPDP process.  \nQuaimpllit~~y~~emeMannteda~~ger~~: responsible for ensuring that requirements defined in this standard are Supplier Quality Engineering Manager: responsible for communicating this standard and enforcing its compliance within the supply chain.  \nProcedure:  \n1.1 Determination and Control of Key Product Characteristics  \nSuggested Methods for Key Product Characteristic Identification  \nTable 1: KPC Selection and Designation  \n\n| Source of KPC | Criteria | Control Code |\n| --- | --- | --- |\n| DFMEA | Severity > 8\u003Cbr>(ZONE 1) | 1 - 4 |\n| Customer interface and/or performance requirements | Specified on customer top level drawing | 5 |\n| Environmental regulations | Specified by customer; acknowledged by Lisk during Stage 1: Scope | 1 |\n| Similar to prior product design | Same as prior design | 1 - 4 |\n| DOE – Design of Experiments/Design Optimization Studies |  | 3 |\n\nTable 2: KPC Control Matrix  \n\n| Control\u003Cbr>Code | Reason | KPC Requirements |  |  |\n| --- | --- | --- | --- | --- |\n|  |  | Prototype/development | PPAP | Serial\u003Cbr>production |\n| 1 | Safety and/or environmental regulation | 100% inspection/measurement | Cpk > 1.67 on-going or * | Cpk>1 .67 ongoing or * |\n| 2 | Customer interface | 100% inspection/measurement | Cpk > 1.33 on-going or * | Cpk>1 .33 ongoing or * |\n| 3 | Performance/function | 100% inspection/measurement | Cpk > 1.33 1-time snapshot or * | Cpk>1 .33 ongoing or * |\n| 4 | Cosmetic | 100% inspection/measurement | Cpk > 1.33 1-time snapshot or * | C of C |\n| 5 | Customer mandated 100%\u003Cbr>inspection/measurement | 100% inspection/measurement | 100% inspection/measurement | 100%\u003Cbr>inspection/\u003Cbr>measurement |\n\nAdditional Applicable Requirements:  \n• * = optional 100% inspection/measurement or poka-yoke. Some measures may be deemed impractical due to time, cost or destructive technique to establish a Cpk as designated above. In these cases a correlation of KPC feature achievement to manufacturing process control parameter ranges should be established. The KPC requirement for control then is monitoring the process control parameter to stay within those ranges.  \n• If the KPC ","cbCaissDdhxn69nQ","https://ap.wps.com/l/cbCaissDdhxn69nQ","pdf",284099,"English","# Purpose and Scope\n# Definitions\n## Characteristics and Key Product Characteristics (KPC’s)\n# Personnel Responsibilities\n# Procedure\n## Determination and Control of Key Product Characteristics\n## Documentation of Key Product Characteristics\n# Appendixes\n# Flowdown","[{\"question\":\"What are Key Product Characteristics (KPC’s) and how are they defined in the standard?\",\"answer\":\"KPC’s are features of a material, process, or part whose variation within specified tolerance significantly influences safety, environmental regulation, customer interface, performance/function, cosmetics, or customer-mandated 100% detection. They must be tied to measurable characteristics (variables or attributes).\"},{\"question\":\"How are KPCs selected and designated?\",\"answer\":\"KPC selection is based on sources such as DFMEA (e.g., severity \\u003e 8), customer interface/performance requirements, environmental regulations, similarity to prior product design, and DOE studies. KPCs are then designated with control codes and corresponding requirements for prototype/development and serial production.\"},{\"question\":\"What control and documentation requirements apply to KPCs?\",\"answer\":\"KPC requirements include inspection/measurement expectations (often 100% inspection/measurement) supported by capability targets such as Cpk thresholds and statistical control methods (Xbar and R charts) or 1-time snapshot statistical control. KPCs must be marked on drawings using the Lisk drafting standard and flow down to FMEA, control plans, and work instructions, including supplier requirements.\"}]","Key Product Characteristic Designation and Management - System - Revision 5 - Purpose and Scope | PDF",1792793425,15]