Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number L691-51 ITEM-21 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 L691-51 ITEM-21 It is listed as Ring Retaining. component manufactured by Ulstein Bergen A S, specifically under CAGE Code N0379. It is also accompanied by the NSN 5325251209791 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5325 Fastening Devices.