Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 4J-891 with rapid responses always offered by our staff. To ensure that you locate and procure exactly what you need with ease, we list parts with as much information as we can. For example, part number 4J-891 It is listed as Switch Thermostatic. component manufactured by Bridgeport Fittings Inc, specifically under CAGE Code 08607. It is also accompanied by the NSN 5930012069301 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5930 Switches.