Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1120-H-N .312 found under Standoff Threaded S by Accurate Screw Machine Co. The National Stock Number assigned to this part is 5340014748390, 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 1120-H-N .312.