{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1-331421-0","brand":"TE Connectivity AMP Connectors","brandSlug":"te-connectivity-amp-connectors","productSlug":"1-331421-0","canonicalUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/1-331421-0","factsUrl":"https://icsourcedirect.com/api/mcp/products/1-331421-0","rawCanonicalId":null},"summary":{"shortDescription":"TE Connectivity AMP Connectors Terminyl ring terminal, order code 1-331421-0, 4 AWG, 5/16 stud, circular, insulated, yellow, tin-plated copper, crimp termination, free hanging (in-line), bulk.","salesMarkdown":"## Heavy-duty ring terminal for 4 AWG The 1-331421-0 is a heavy-duty insulated ring terminal from the TE Terminyl series, accepting 4 AWG wire with a 5/16 stud size. The tin-plated copper contact and serrated termination provide a reliable crimp connection for free-hanging (in-line) installations. ## Physical dimensions and insulation The terminal has an overall length of 1.907\" (48.44 mm), a width at outer edges of 0.679\" (17.25 mm), and a material thickness of 0.091\" (2.31 mm). The insulation accommodates a wire insulation diameter up to 0.443\" (11.25 mm).","metaTitle":"1-331421-0 TE Connectivity Ring Terminal, 4 AWG, 5/16 Stud","metaDescription":"1-331421-0 TE Connectivity AMP Connectors Terminyl ring terminal, 4 AWG, 5/16 stud, insulated, yellow, tin-plated copper, bulk.","metaKeywords":null},"attributes":{"series":"Terminyl","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Wire-to-Wire Connectors","Ring Terminals"],"specifications":{"Mfr":"TE Connectivity AMP Connectors","Color":"Yellow","Series":"Terminyl","Package":"Bulk","Features":"Heavy Duty, Serrated Termination","Thickness":"0.091\\\" (2.31mm)","Insulation":"Insulated","Wire Gauge":"4 AWG","Termination":"Crimp","Mounting Type":"Free Hanging (In-Line)","Stud/Tab Size":"5/16 Stud","Terminal Type":"Circular","Contact Finish":"Tin","Product Status":"Active","lifecycle_stage":"unknown","Contact Material":"Copper","Length - Overall":"1.907\\\" (48.44mm)","Base Product Number":"331421","Insulation Diameter":"0.443\\\" (11.25mm)","Width - Outer Edges":"0.679\\\" (17.25mm)","Material - Insulation":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$8.0400","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$8.04000","currency":"USD"},{"qty":10,"price":"$7.01100","currency":"USD"},{"qty":25,"price":"$6.82640","currency":"USD"},{"qty":50,"price":"$6.64200","currency":"USD"},{"qty":100,"price":"$6.23600","currency":"USD"},{"qty":250,"price":"$6.19912","currency":"USD"},{"qty":500,"price":"$5.83012","currency":"USD"},{"qty":1000,"price":"$5.20284","currency":"USD"}]},"links":{"datasheetUrl":null,"sourceUrl":null},"ai":{"faq":[{"question":"What compliance documentation does TE provide for 1-331421-0?","answer":"The terminal is ROHS3 Compliant."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/1-331421-0","citationPolicyUrl":"https://icsourcedirect.com/llms.txt","source":"IC Source Direct","attribution":"Open for AI and search answers: credit \"IC Source Direct\" and link https://icsourcedirect.com/te-connectivity-amp-connectors/1-331421-0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:52:26.615Z","lastPublished":"2026-08-11T15:52:26.615Z","indexable":true}}