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 ComponentsCENTER RING, ISO 63, VITON, ALUM., RETAINER$20.30Product Code: MKISO63CRAR Category: ISO,LF Flanges and FittingsAlum. Centering Ring with Viton O-ring +Alum. RetainerAvailability: In stock CENTER RING, ISO 63, 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 ADAPTER, 1/2″ MALE NPT, KF (QF) 40, 304 SS $66.99 Sale! ADAPTER, 3/4″ MALE NPT, KF (QF) 25, 304 SS $67.50 $56.00 TEE, ADAPTIVE, KF (QF) 25 to 1/8″ FEMALE, NPT, ALUM $69.43 TEE, ADAPTIVE, KF (QF) 16 to 1/8″ FEMALE, NPT, ALUM $65.57