Products search Shop By Category Questions? Email us!sales@mackvacuum.com AdaptersCF Flanges and FittingsHigh Vacuum Bellows SS HosesValvesWeld TubesISO Flanges and FittingsKF (QF) Flanges and FittingsAlcatel Vacuum Pump PartsLeybold Vacuum Pump PartsPfeiffer Vacuum Pump PartsWelch Vacuum Pump PartsGreases – SuppliesVacuum Rated HosesUniversities Only – FREE STUFF!Custom Vacuum Components / Vented ScrewsGS Series Ball ValvesSuper Sale Items316 Stainless Steel ComponentsISO 80, SS Center Ring, Viton, Alum Retainer$43.18Product Code: MKISO80CRR Category: ISO,LF Flanges and FittingsCentering Ring SS, Viton O-ring, Alum RetainerAvailability: In stock ISO 80, SS Center Ring, Viton, Alum Retainer quantity Add to cart Free Shipping on Orders Over $100**Exclusions apply. See Shipping & Return Policy for details.A(inch)B(inch) 4.293.14 Related products ADAPTER, 3/4″ MALE NPT, KF (QF) 40, 304 SS $81.96 Sale! ADAPTER, 1/8″ MALE NPT, KF (QF) 25, 304 SS $46.81 $35.75 Sale! KF (QF) to Male NPT Adapter,1/2″ MALE NPT, KF (QF) 16, 304 SS $51.63 $38.87 (out of stock) ISO 63, SS Center Ring, Viton, Alum Retainer $33.50