Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 28-506551-1 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 28-506551-1 It is listed as Regulator Voltage. component manufactured by General Dynamics C4 Systems Inc, specifically under CAGE Code 04655. It is also accompanied by the NSN 6110000078619 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 6110 Electrical Control Equipment.