Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number B58-4 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 B58-4 It is listed as Bearingsleeve. component manufactured by Altra Electronics Corp, specifically under CAGE Code 71041. It is also accompanied by the NSN 3120016641588 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 3120 Bearings Plain Unmounted.