Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A1-05-0412 found under Standoff Threaded S by Acr Electronics Inc. The National Stock Number assigned to this part is 5340011894311, 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 A1-05-0412.