Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3415-337SP found under Ring Retaining by Kaydon Corporation. The National Stock Number assigned to this part is 5325015360443, 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 3415-337SP.