Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A1-11-0181 found under Semiconductor Devic by Acr Electronics Inc. The National Stock Number assigned to this part is 5961012478381, and the Federal Supply Class is 5961 Semiconductor Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A1-11-0181.