Replacement Elastomer O-Rings


  • Replacement seals for ISO centering rings
  • Buna-N, Silicone, or FKM


  • Temperature Limits:
    • Low: -20°C
    • Sustained High: 80°C
    • Intermittent Use: 100°C


  • Temperature Limits:
    • Low: -50°C
    • Sustained High: 150°C
    • Intermittent Use: 200°C


  • Temperature Limits:
    • Low: -20°C
    • Sustained High: 150°C
    • Intermittent Use: 200°C

*Dimensions are in inches unless otherwise specified

Part IDReference NumberA B Drawing O-ring std # Seal Material Use with Flange 3D CADDrawingUnit PriceIn StockQty, Add To Cart
Part ID0601312Reference Number2-312-OBA 0.6B 0.21Drawing CO-ring std # 2-312Seal Material Buna-NUse with Flange QF103D CADLoginDrawingLoginUnit Price$1.35Contact
Part ID0602312Reference Number2-312-OSA 0.6B 0.21Drawing BO-ring std # 2-312Seal Material SiliconeUse with Flange QF103D CADLoginDrawingLoginUnit Price$1.35Contact
Part ID0600312Reference Number2-312-OVA 0.6B 0.21Drawing AO-ring std # 2-312Seal Material FKMUse with Flange QF103D CADLoginDrawingLoginUnit Price$3.15Contact
Part ID0601314Reference Number2-314-OBA 0.73B 0.21Drawing CO-ring std # 2-314Seal Material Buna-NUse with Flange QF163D CADLoginDrawingLoginUnit Price$1.20Contact
Part ID0602314Reference Number2-314-OSA 0.73B 0.21Drawing BO-ring std # 2-314Seal Material SiliconeUse with Flange QF163D CADLoginDrawingLoginUnit Price$1.20Contact
Part ID0600314Reference Number2-314-OVA 0.73B 0.21Drawing AO-ring std # 2-314Seal Material FKMUse with Flange QF163D CADLoginDrawingLoginUnit Price$2.80Contact
Part ID0601320Reference Number2-320-OBA 1.1B 0.21Drawing CO-ring std # 2-320Seal Material Buna-NUse with Flange QF253D CADLoginDrawingLoginUnit PriceRequest a QuoteContact
Part ID0602320Reference Number2-320-OSA 1.1B 0.21Drawing BO-ring std # 2-320Seal Material SiliconeUse with Flange QF253D CADLoginDrawingLoginUnit Price$1.60Contact
Part ID0600320Reference Number2-320-OVA 1.1B 0.21Drawing AO-ring std # 2-320Seal Material FKMUse with Flange QF253D CADLoginDrawingLoginUnit Price$2.80Contact
Part ID0601326Reference Number2-326-OBA 1.6B 0.21Drawing CO-ring std # 2-326Seal Material Buna-NUse with Flange QF403D CADLoginDrawingLoginUnit Price$2.00Contact
Part ID0602326Reference Number2-326-OSA 1.6B 0.21Drawing BO-ring std # 2-326Seal Material SiliconeUse with Flange QF403D CADLoginDrawingLoginUnit Price$2.00Contact
Part ID0600326Reference Number2-326-OVA 1.6B 0.21Drawing AO-ring std # 2-326Seal Material FKMUse with Flange QF403D CADLoginDrawingLoginUnit PriceRequest a QuoteContact
Part ID0601330Reference Number2-330-OBA 2.1B 0.21Drawing CO-ring std # 2-330Seal Material Buna-NUse with Flange QF503D CADLoginDrawingLoginUnit Price$2.00Contact
Part ID0602330Reference Number2-330-OSA 2.1B 0.21Drawing BO-ring std # 2-330Seal Material SiliconeUse with Flange QF503D CADLoginDrawingLoginUnit Price$2.00Contact
Part ID0600330Reference Number2-330-OVA 2.1B 0.21Drawing AO-ring std # 2-330Seal Material FKMUse with Flange QF503D CADLoginDrawingLoginUnit Price$4.40Contact
Part ID0601336Reference Number2-336-OBA 2.85B 0.21Drawing CO-ring std # 2-336Seal Material Buna-NUse with Flange LF633D CADLoginDrawingLoginUnit Price$2.25Contact
Part ID0602336Reference Number2-336-OSA 2.85B 0.21Drawing BO-ring std # 2-336Seal Material SiliconeUse with Flange LF633D CADLoginDrawingLoginUnit Price$3.15Contact
Part ID0600336Reference Number2-336-OVA 2.85B 0.21Drawing AO-ring std # 2-336Seal Material FKMUse with Flange LF633D CADLoginDrawingLoginUnit Price$7.20Contact
Part ID0601340Reference Number2-340-OBA 3.35B 0.21Drawing CO-ring std # 2-340Seal Material Buna-NUse with Flange LF803D CADLoginDrawingLoginUnit Price$2.25Contact
Part ID0602340Reference Number2-340-OSA 3.35B 0.21Drawing BO-ring std # 2-340Seal Material SiliconeUse with Flange LF803D CADLoginDrawingLoginUnit Price$3.60Contact
Part ID0600340Reference Number2-340-OVA 3.35B 0.21Drawing AO-ring std # 2-340Seal Material FKMUse with Flange LF803D CADLoginDrawingLoginUnit Price$10.00Contact
Part ID0601346Reference Number2-346-OBA 4.1B 0.21Drawing CO-ring std # 2-346Seal Material Buna-NUse with Flange LF1003D CADLoginDrawingLoginUnit Price$2.00Contact
Part ID0602346Reference Number2-346-OSA 4.1B 0.21Drawing BO-ring std # 2-346Seal Material SiliconeUse with Flange LF1003D CADLoginDrawingLoginUnit Price$4.05Contact
Part ID0600346Reference Number2-346-OVA 4.1B 0.21Drawing AO-ring std # 2-346Seal Material FKMUse with Flange LF1003D CADLoginDrawingLoginUnit Price$16.80Contact
Part ID0601361Reference Number2-361-OBA 5.98B 0.21Drawing CO-ring std # 2-361Seal Material Buna-NUse with Flange LF1603D CADLoginDrawingLoginUnit Price$2.98Contact
Part ID0602361Reference Number2-361-OSA 5.98B 0.21Drawing BO-ring std # 2-361Seal Material SiliconeUse with Flange LF1603D CADLoginDrawingLoginUnit Price$7.20Contact
Part ID0600361Reference Number2-361-OVA 5.98B 0.21Drawing AO-ring std # 2-361Seal Material FKMUse with Flange LF1603D CADLoginDrawingLoginUnit Price$22.95Contact
Part ID0601371Reference Number2-371-OBA 8.48B 0.21Drawing CO-ring std # 2-371Seal Material Buna-NUse with Flange LF2003D CADLoginDrawingLoginUnit Price$4.25Contact
Part ID0602371Reference Number2-371-OSA 8.48B 0.21Drawing BO-ring std # 2-371Seal Material SiliconeUse with Flange LF2003D CADLoginDrawingLoginUnit Price$8.50Contact
Part ID0600371Reference Number2-371-OVA 8.48B 0.21Drawing AO-ring std # 2-371Seal Material FKMUse with Flange LF2003D CADLoginDrawingLoginUnit Price$25.50Contact
Part ID0601378Reference Number2-378-OBA 10.48B 0.21Drawing CO-ring std # 2-378Seal Material Buna-NUse with Flange LF2503D CADLoginDrawingLoginUnit Price$5.53Contact
Part ID0602378Reference Number2-378-OSA 10.48B 0.21Drawing BO-ring std # 2-378Seal Material SiliconeUse with Flange LF2503D CADLoginDrawingLoginUnit Price$9.907
Part ID0600378Reference Number2-378-OVA 10.48B 0.21Drawing AO-ring std # 2-378Seal Material FKMUse with Flange LF2503D CADLoginDrawingLoginUnit Price$32.40Contact
Part ID0601454Reference Number2-454-OBA 12.48B 0.28Drawing CO-ring std # 2-454Seal Material Buna-NUse with Flange LF3203D CADLoginDrawingLoginUnit Price$12.15Contact
Part ID0602454Reference Number2-454-OSA 12.48B 0.28Drawing BO-ring std # 2-454Seal Material SiliconeUse with Flange LF3203D CADLoginDrawingLoginUnit Price$18.00Contact
Part ID0600454Reference Number2-454-OVA 12.48B 0.28Drawing AO-ring std # 2-454Seal Material FKMUse with Flange LF3203D CADLoginDrawingLoginUnit Price$39.60Contact
Part ID0601460Reference Number2-460-OBA 15.48B 0.28Drawing CO-ring std # 2-460Seal Material Buna-NUse with Flange LF4003D CADLoginDrawingLoginUnit Price$17.10Contact
Part ID0602460Reference Number2-460-OSA 15.48B 0.28Drawing BO-ring std # 2-460Seal Material SiliconeUse with Flange LF4003D CADLoginDrawingLoginUnit Price$19.80Contact
Part ID0600460Reference Number2-460-OVA 15.48B 0.28Drawing AO-ring std # 2-460Seal Material FKMUse with Flange LF4003D CADLoginDrawingLoginUnit Price$42.30Contact
Part ID0601468Reference Number2-468-OBA 19.46B 0.28Drawing CO-ring std # 2-468Seal Material Buna-NUse with Flange LF5003D CADLoginDrawingLoginUnit Price$22.50Contact
Part ID0602468Reference Number2-468-OSA 19.46B 0.28Drawing BO-ring std # 2-468Seal Material SiliconeUse with Flange LF5003D CADLoginDrawingLoginUnit Price$24.30Contact
Part ID0600468Reference Number2-468-OVA 19.46B 0.28Drawing AO-ring std # 2-468Seal Material FKMUse with Flange LF5003D CADLoginDrawingLoginUnit Price$54.90Contact