Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11544-1 found under Standoff Threaded S by Atlantic Inertial Systems Inc. The National Stock Number assigned to this part is 5340010175418, 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 11544-1.