Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number P2928 M04 F16 440 found under Standoff Threaded Spacing by Unicorp. The National Stock Number assigned to this part is 5340013637635, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like P2928 M04 F16 440.