Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 66H10087B found under Heating Element Electrical Nonim by Gw Technologies Pty Ltd. The National Stock Number assigned to this part is 4520001382166, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 66H10087B.