Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2157003 found under Wire Nonelectrical by Coltec Industries Inc. The National Stock Number assigned to this part is 9505014808841, and the Federal Supply Class is 9505 Wire Nonelectrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2157003.