Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number NA 47291-57 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 NA 47291-57 It is listed as Restrictor Extractor. component manufactured by Hale Hamilton, specifically under CAGE Code K0207. It is also accompanied by the NSN 4820994538993 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 4820 Valves Nonpowered.