Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number MMD-339 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 MMD-339 It is listed as Cap Protective Dust And Moisture. component manufactured by Appleton Marine, specifically under CAGE Code 70433. It is also accompanied by the NSN 5340015190992 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5340 Hardware Commercial.