Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 21K25C 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 21K25C It is listed as Ballast Lamp. component manufactured by Public Health Service, specifically under CAGE Code 88005. It is also accompanied by the NSN 6250005656042 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 6250 Ballasts Lampholders and Starters.