Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ORH13-239HD-GOV-PCK found under O Ring by Pall Corporation. The National Stock Number assigned to this part is 5331013460281, 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 ORH13-239HD-GOV-PCK.