Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D2000 GR M3CH714A25B34 found under O Ring by American Society For Testing And. The National Stock Number assigned to this part is 5331001681898, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D2000 GR M3CH714A25B34.