Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 66C14378-7 found under Cutter High Explosive by Ogden Air Logistics Center. The National Stock Number assigned to this part is 1375010053668, 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 66C14378-7.