Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 011 00138 found under Switch Rotary by Hdt Expeditionary Systems Inc. The National Stock Number assigned to this part is 5930016452785, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 011 00138.