Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 172-003 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 172-003 It is listed as Nut Self Locking Hexagon. component manufactured by Spaenaur Inc Dba Spaenaur Inc, specifically under CAGE Code 94223. It is also accompanied by the NSN 5310200001394 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5310 Nuts and Washers.