Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 123HM10281-511 found under Key Terminal Locking by Triumph Actuation Systems Llc. The National Stock Number assigned to this part is 5315002296637, 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 123HM10281-511.