Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 287I-01000-01562-035 found under O Ring by John Crane Inc. The National Stock Number assigned to this part is 5331013383087, 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 287I-01000-01562-035.