Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 4 and 40UNC1 and 4CRES 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 4 and 40UNC1 and 4CRES It is listed as Screw Machine. component manufactured by Nylok Corporation, specifically under CAGE Code 26233. It is also accompanied by the NSN 5305000545647 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5305 Screws.