Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D190-100-2 found under Lamp Boot Blue by Master Dynamics Corp. The National Stock Number assigned to this part is 6240012324408, and the Federal Supply Class is 6240 Electric Lamps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D190-100-2.