Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 4SK540 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 4SK540 It is listed as Retainer Seal. component manufactured by Oshkosh Corporation, specifically under CAGE Code 45152. It is also accompanied by the NSN 5330011467158 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5330 Packing and Gasket Materials.