Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 52661-1 found under Segiment Engraved by Momentum Technologies Inc. The National Stock Number assigned to this part is 7040000192002, and the Federal Supply Class is 7040 Punched Card Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 52661-1.