Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0016017B found under Washer Setspring Tensionmatche by Electro Steam Generator Corporation. The National Stock Number assigned to this part is 5310016754778, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 0016017B.