Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 41009581 found under Piston Detent Aircr by Woodward Hrt Inc. The National Stock Number assigned to this part is 5340015466051, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 41009581.