Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5010311001 found under Distance Readout Assembly by Aar Brooks And Perkins Corp. The National Stock Number assigned to this part is 6610001727645, and the Federal Supply Class is 6610 Flight Instruments. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5010311001.