Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 166-38-SS-1032-E found under Standoff Threaded Spacing by Promptus Electonic Hardware Inc. The National Stock Number assigned to this part is 5307010930802, and the Federal Supply Class is 5307 Studs. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 166-38-SS-1032-E.