Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 53-00251 found under Contact Strip Radio Frequency Gr by Tech Etch Inc. The National Stock Number assigned to this part is 5940001330468, and the Federal Supply Class is 5940 Lugs Terminals And Terminal Strips. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 53-00251.