Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number R3820 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 R3820 It is listed as Bolt Expansion. component manufactured by Tulsa Screw Products Co Inc, specifically under CAGE Code 23729. It is also accompanied by the NSN 5306010127203 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5306 Bolts.