Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 607948.001 SEQ 274 found under O Ring by Flowserve Corporation. The National Stock Number assigned to this part is 5331001675146, 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 607948.001 SEQ 274.