Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ASI 1532 12IN ITEM 19 found under O Ring by Ohmeda Inc. The National Stock Number assigned to this part is 5331012527146, 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 ASI 1532 12IN ITEM 19.