Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 57315220080 found under Sleeve Ignition Ter by Kollsman Inc. The National Stock Number assigned to this part is 2925013284394, and the Federal Supply Class is 2925 Engine Electrical System Components Aircraft Prime Moving. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 57315220080.