Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KD1250B found under Die Knockout Punch by Gb Electrical Inc. The National Stock Number assigned to this part is 5110014740069, and the Federal Supply Class is 5110 Hand Tools Edged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KD1250B.