Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number HP-18A 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 HP-18A It is listed as Seal Nonmetallic Round Section. component manufactured by Symons Corp, specifically under CAGE Code 02977. It is also accompanied by the NSN 5330016056008 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5330 Packing and Gasket Materials.