Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MPD 18 3 found under Pin Straight Headle by Barden Corporation Uk Ltd. The National Stock Number assigned to this part is 5315013083231, 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 MPD 18 3.