Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SSCY181SR found under Ring Retaining by Stein Seal Company. The National Stock Number assigned to this part is 5325003420912, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SSCY181SR.