Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HLMP4600 found under Light Emitting Diode by Hewlett Packard Co. The National Stock Number assigned to this part is 5980012728219, and the Federal Supply Class is 5980 Optoelectrical Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HLMP4600.