Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 515073 found under Holder Packing by Ambel Precision Manufacturing. The National Stock Number assigned to this part is 2935008669964, and the Federal Supply Class is 2935 Engine System Cooling Components Aircraft Prime Moving. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 515073.