Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 50004 found under Wire Cyl Head Lock by Hamilton Sundstrand Corporation. The National Stock Number assigned to this part is 9505004836219, and the Federal Supply Class is 9505 Wire Nonelectrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 50004.