Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 601511-1 found under Poppet by Triumph Group Operations Inc The. The National Stock Number assigned to this part is 2995010880429, and the Federal Supply Class is 2995 Miscellaneous Engine Accessories Aircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 601511-1.