Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 21-606 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 21-606 It is listed as Screw Machine. component manufactured by Horizon Aerospace Llc Dba Transicoil, specifically under CAGE Code 35918. It is also accompanied by the NSN 5305010168925 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5305 Screws.