Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 4-303 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 4-303 It is listed as Shell. component manufactured by Schlage Lock Co, specifically under CAGE Code 01098. It is also accompanied by the NSN 5340005220997 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5340 Hardware Commercial.