Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SL-211-3-1-SP9 found under Nut Plate Fin Clip by Republic Fastener Mfg Corp. The National Stock Number assigned to this part is 6920011000322, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SL-211-3-1-SP9.