Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 970-0-87553-018-5 found under by Emery Pratt Company The. The National Stock Number assigned to this part is 7610015221784, 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 970-0-87553-018-5.