Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 991-4-15505-056 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 991-4-15505-056 It is listed as Screw Machine. component manufactured by Other Nsn, specifically under CAGE Code Z4986. It is also accompanied by the NSN 5305661429052 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5305 Screws.