Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 81D121M250HA2D found under Capacitor Fixed Ele by United Chemi Con Mfg Inc. The National Stock Number assigned to this part is 5910013659910, and the Federal Supply Class is 5910 Capacitors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 81D121M250HA2D.