Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 688J 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 688J It is listed as Screw Thumb. component manufactured by Singer Co The Controls Div, specifically under CAGE Code 77948. It is also accompanied by the NSN 5305003598866 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5305 Screws.