Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 172B4117P1 found under End Cap And Bearing by Bae Systems Controls Inc. The National Stock Number assigned to this part is 1680011965963, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 172B4117P1.