Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FH M6 38 ZI found under Stud Self Locking by Penn Engineering And Manufacturing. The National Stock Number assigned to this part is 5307014517008, 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 FH M6 38 ZI.