Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 3956 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 3956 It is listed as Shackle. component manufactured by Del Mar Avionics Inc, specifically under CAGE Code 00539. It is also accompanied by the NSN 4030007844524 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 4030 Fittings for Rope Cable and Chain.