Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 2104 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 2104 It is listed as Retainer Battery. component manufactured by Keystone Electronics Corp, specifically under CAGE Code 91833. It is also accompanied by the NSN 6160013380726 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC .