Products search Shop By Category Call 866-674-6225AdaptersCF 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 OnlyPressure Measurement VacuumCustom Vacuum Components / Vented ScrewsGS Series Ball ValvesSuper Sale Items316 Stainless Steel ComponentsISO 63, SS Center Ring, Viton, Alum Retainer$33.50Product Code: MKISO63CRR Category: ISO,LF Flanges and FittingsCentering Ring SS, Viton O-ring, Alum RetainerAvailability: In stock ISO 63, 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) 3.702.63 Related products ISO 160, SS Center Ring, Viton, Alum Retainer $54.23 TEE, ADAPTIVE, KF (QF) 40 to 1/8″ FEMALE, NPT, ALUM $81.00 ISO 100, SS Center Ring, Viton, Alum Retainer $47.85 Sale! ADAPTER, 1/8″ MALE NPT, KF (QF) 25, 304 SS $46.81 $35.75