Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AS568-016 MIL-P-83461 found under O Ring by Sae International. The National Stock Number assigned to this part is 5331010431419, 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 AS568-016 MIL-P-83461.