Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 419-20 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 419-20 It is listed as Ring Union Bonnet. component manufactured by Bureau Of Mines, specifically under CAGE Code 90808. It is also accompanied by the NSN 4820009633451 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 4820 Valves Nonpowered.