Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S6-1-7-ER6 found under Caster Swivel by Preece Acquisition Company Inc. The National Stock Number assigned to this part is 5340012436608, 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 S6-1-7-ER6.