Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 18U1272-3 found under Capacitor Fixed Pap by West Cap Arizona. The National Stock Number assigned to this part is 5910009581511, 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 18U1272-3.