Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HSP-1039482-1ITEM2 found under O Ring by John Crane Inc. The National Stock Number assigned to this part is 5331015866288, 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 HSP-1039482-1ITEM2.