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 ComponentsKF (QF) 40 to 1/2 Inch NPT Female Adapter 304 Stainless Steel$50.55Product Code: MKKF4012FNPT Category: Vacuum Adapters KF (QF), NPT, VCR, ISO, CFKF (QF) Flange to Female NPT Adapters,VacuumAvailability: In stock KF (QF) 40 to 1/2 Inch NPT Female Adapter 304 Stainless Steel quantity Add to cart Free Shipping on Orders Over $100**Exclusions apply. See Shipping & Return Policy for details.KF (QF) 40 to 1/2 Inch NPT Female Adapter 304 Stainless SteelA(inch)B(inch) 2.171.00 Related products ISO to CF adapter, ISO 100 to CF 6.00 inch Flange, 304 SS $255.78 Sale! KF (QF) 40 to 1.00 Inch NPT Female Adapter 304 Stainless Steel $78.50 $62.00 Sale! KF (QF) 50 to 1.50 Inch NPT Female Adapter 304 Stainless Steel $84.00 $66.45 KF (QF) 40 to 1/4 Inch NPT Female Adapter 304 Stainless Steel $46.28