{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1731120587","brand":"Molex","brandSlug":"molex","productSlug":"1731120587","canonicalUrl":"https://icsourcedirect.com/molex/1731120587","factsUrl":"https://icsourcedirect.com/api/mcp/products/1731120587","rawCanonicalId":null},"summary":{"shortDescription":"Molex FRS, FCT series, Jackscrew/Thumb Screw, 1731120587, Thread Size 4-40, Bulk package, ROHS3 Compliant, for D-Sub Backshell.","salesMarkdown":"The Molex 1731120587 is a jackscrew / thumb screw from the FRS, FCT series, designed for use with D-sub backshells. It carries a 4-40 thread and is packaged in Bulk. This is a hardware accessory — not a connector body — that provides the mechanical clamping force to secure a D-sub cable assembly to its mating panel-mount receptacle. ## Thread Size and Compatibility The 4-40 thread is the standard UNC size for D-subminiature connectors. It mates with the threaded inserts found on standard D-sub backshells and hoods.","metaTitle":"Molex 1731120587 FRS/FCT Thumb Screw, 4-40 Thread","metaDescription":"Molex 1731120587 FRS/FCT thumb screw, 4-40 thread, 22.5 mm length. Jackscrew for D-sub backshells. ROHS3 Compliant. Active production, sourced to order.","metaKeywords":null},"attributes":{"series":"FRS, FCT","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["D-Sub & D-Shaped Connectors"],"specifications":{"Mfr":"Molex","Series":"FRS, FCT","Package":"Bulk","Features":"-","Thread Size":"4-40","Accessory Type":"Jackscrew, Thumb Screw","Product Status":"Active","lifecycle_stage":"unknown","Base Product Number":"173112","Length - Below Head":"-","For Use With/Related Products":"D-Sub Backshell","Length - Threaded Portion Below Head":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.4600","priceTiers":[{"qty":1,"price":"$1.46000","currency":"USD"},{"qty":10,"price":"$1.20900","currency":"USD"},{"qty":100,"price":"$1.00780","currency":"USD"},{"qty":1000,"price":"$0.80622","currency":"USD"},{"qty":2500,"price":"$0.73064","currency":"USD"}]},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/1731120587/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy the Molex 1731120587 thumb screw?","answer":"Submit a request for quote to confirm current availability and pricing."},{"question":"What is the thread size of the Molex 1731120587?","answer":"The thread size is 4-40 UNC, the standard for D-subminiature jackscrews."},{"question":"Is the 1731120587 compatible with all D-sub backshells?","answer":"It is designed for use with D-sub backshells that accept a 4-40 jackscrew. Most standard D-sub backshells and hoods use this thread, but verify the backshell's threaded insert accepts a 4-40 screw before ordering."},{"question":"Does the 1731120587 have RoHS certification?","answer":"Yes, it is ROHS3 Compliant."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/molex/1731120587","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/molex/1731120587 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}}