Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KR-19550 found under Keymachine by Power Engineering And Mfg Ltd. The National Stock Number assigned to this part is 5315016882825, 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 KR-19550.