Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 70-2728490-1 found under Standoff Hinged Thr by General Dynamics C4 Systems Inc. The National Stock Number assigned to this part is 5340014863266, 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 70-2728490-1.