Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 10-51643 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 10-51643 It is listed as Nut Plain Castellated Hexagon. component manufactured by Teledyne Industries Inc Teledyne, specifically under CAGE Code 28839. It is also accompanied by the NSN 5310005826058 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5310 Nuts and Washers.