Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 52-00-10 FIND NO 56 found under Muffler Intake by Huntington Ingalls Incorporated. The National Stock Number assigned to this part is 2990015311774, and the Federal Supply Class is 2990 Miscellaneous Engine Accessories Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 52-00-10 FIND NO 56.