![810001, Centering Ring, NW100, ISO LF, Large Flange, Fluorocarbon-based fluoroelastomer (FKM / FPM), 304ss | MDC Precision | MDC Precision 810001, Centering Ring, NW100, ISO LF, Large Flange, Fluorocarbon-based fluoroelastomer (FKM / FPM), 304ss | MDC Precision | MDC Precision](https://www.mdcprecision.com/media/catalog/product/cache/4ed3665eb49b6d2f975d77affd7b0bfd/3/5/351010_cr_a_2.jpg)
810001, Centering Ring, NW100, ISO LF, Large Flange, Fluorocarbon-based fluoroelastomer (FKM / FPM), 304ss | MDC Precision | MDC Precision
![Centering Ring, NW25, Fluorocarbon-based fluoroelastomer (FKM / FPM), Aluminum | MDC Precision | MDC Precision Centering Ring, NW25, Fluorocarbon-based fluoroelastomer (FKM / FPM), Aluminum | MDC Precision | MDC Precision](https://www.mdcprecision.com/media/catalog/product/cache/4ed3665eb49b6d2f975d77affd7b0bfd/7/1/710014.jpg)
Centering Ring, NW25, Fluorocarbon-based fluoroelastomer (FKM / FPM), Aluminum | MDC Precision | MDC Precision
Centering Ring KF 16 With Viton® O-Ring, KF 16 (NW 16), Aluminum, The centering ring contains a rubber elastomeric o-ring. Those are also recognized as NW10, NW16, NW25, NW40, or KF-10 KF-16,
![Ideal Vacuum | One Sided Centering Ring Assembly, NW-200 Vacuum Fittings, Stainless Steel with Viton® O-Ring ISO-02-124 Ideal Vacuum | One Sided Centering Ring Assembly, NW-200 Vacuum Fittings, Stainless Steel with Viton® O-Ring ISO-02-124](https://www.idealvac.com/files/images/Centering-Ring--One-Sided-O-Ring_01.jpg)
Ideal Vacuum | One Sided Centering Ring Assembly, NW-200 Vacuum Fittings, Stainless Steel with Viton® O-Ring ISO-02-124
![Kurt J. Lesker Company | ISO-K HV Centering Ring with Outer Ring (316/Ti/1.4571 SS) | Enabling Technology for a Better World Kurt J. Lesker Company | ISO-K HV Centering Ring with Outer Ring (316/Ti/1.4571 SS) | Enabling Technology for a Better World](https://www.lesker.com/newweb/images/product_photos/Photo-HD-F63-STAVR_std.jpg)
Kurt J. Lesker Company | ISO-K HV Centering Ring with Outer Ring (316/Ti/1.4571 SS) | Enabling Technology for a Better World
![Ideal Spectroscopy | Centering Ring KF-16 Vacuum Fittings, ISO-KF Flange Size NW-16, Stainless Steel & Buna, O-Ring Ideal Spectroscopy | Centering Ring KF-16 Vacuum Fittings, ISO-KF Flange Size NW-16, Stainless Steel & Buna, O-Ring](https://www.idealvac.com/files/images/CenterRingKF16.jpg)
Ideal Spectroscopy | Centering Ring KF-16 Vacuum Fittings, ISO-KF Flange Size NW-16, Stainless Steel & Buna, O-Ring
![Kurt J. Lesker Company | KF (QF) HV Centering Rings (Stainless Steel) | Enabling Technology for a Better World Kurt J. Lesker Company | KF (QF) HV Centering Rings (Stainless Steel) | Enabling Technology for a Better World](https://www.lesker.com/newweb/images/product_photos/Photo-HD-QF40_150_SRV_GP_std.jpg)