Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ST3M627-1-21 found under Pin Straight Headed by Lawrence Engineering And Supply Inc. The National Stock Number assigned to this part is 5315012824828, 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 ST3M627-1-21.