Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 305-520217 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 305-520217 It is listed as Retainer Assembly. component manufactured by Rockwell Intl Corp Flow Control, specifically under CAGE Code 89372. It is also accompanied by the NSN 1560001590977 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 1560 Airframe Structural Components.