Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number DW521B 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 DW521B It is listed as Spring. component manufactured by Crompton And Knowles Corp, specifically under CAGE Code 71748. It is also accompanied by the NSN 5340006846724 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5340 Hardware Commercial.