Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number M25988-4-253 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 M25988-4-253 It is listed as O Ring Aircraft Usa. component manufactured by Other Nsn, specifically under CAGE Code 81349. It is also accompanied by the NSN 5331014627929 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC .