Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 45729-506B 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 45729-506B It is listed as Shell Electrontubec. component manufactured by Boeing Company, specifically under CAGE Code 94756. It is also accompanied by the NSN 5960000670038 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5960 Electron Tubes and Associated Hardware.