Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number H-552 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 H-552 It is listed as Locking Ring. component manufactured by Sloan Valve Co, specifically under CAGE Code 78330. It is also accompanied by the NSN 5342010925323 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC .