Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 633-7983-19 found under Wire Nonelectrical by Aqua Chem Inc. The National Stock Number assigned to this part is 9525010877611, and the Federal Supply Class is 9525 Wire Nonelectrical Nonferrous Base Metal. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 633-7983-19.