Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2161 found under Pin Straight Headle by Eaton Aerospace Ltd. The National Stock Number assigned to this part is 5315002469071, and the Federal Supply Class is 5315 Nails Machine Keys And Pins. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2161.