Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MS9164-227 found under Pinstraightheadless by Apollo Aerospace Components Llc. The National Stock Number assigned to this part is 5315016588139, 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 MS9164-227.