Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number B4378 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 B4378 It is listed as Heat Sink Electrical Electronic. component manufactured by Marine Electronics, specifically under CAGE Code 00062. It is also accompanied by the NSN 5999012856600 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5999 Miscellaneous Electrical and Electronic Components.