Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3727 found under Pin Straight Headless by Berkey Technical Div. The National Stock Number assigned to this part is 5315010418496, 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 3727.