Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number B12-253 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 B12-253 It is listed as Thumbscrew Assembly. component manufactured by Ingersollrand Co Proto Tool Div, specifically under CAGE Code 47805. It is also accompanied by the NSN 5305004299174 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5305 Screws.