Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ASI 110C-10IN ITEM 18 found under O Ring by Oic Valve Corp. The National Stock Number assigned to this part is 5331013356199, 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 110C-10IN ITEM 18.