Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 21SG39 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 21SG39 It is listed as Lamp. component manufactured by Mack Trucks Inc, specifically under CAGE Code 89619. It is also accompanied by the NSN 6240011498156 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 6240 Electric Lamps.