Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 05-321202 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 05-321202 It is listed as Nut Plain Castellated Hexagon. component manufactured by Lucas Aerospace, specifically under CAGE Code 31435. It is also accompanied by the NSN 5310013933335 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5310 Nuts and Washers.