Imperial O-Ring Sizing Chart

Varigate's O-Ring Part Numbers are Simple!

Material/Duro + O-Ring Size (Dash#)
Example: MN7 10O02

Available O-Ring Materials

N70 - Imperial NBR 70 Durometer
N90 - Imperial NBR 90 Durometer
FK7 - Imperial FKM 75 Durometer
FK9 - Imperial FKM 90 Durometer
V75 - Imperial Viton 75 Durometer
V90 - Imperial Viton 90 Durometer
V95 - Imperial Viton 95 Durometer
H70 - Imperial HNBR 70 Durometer
H80 - Imperial HNBR 80 Durometer
H90 - Imperial HNBR 90 Durometer

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Dash Number	Nominal - I.D.	Nominal - C/S	Imperial Actual I.D.	Tolerance	Imperial Actual C/S	Tolerance
001	1/32	1/32	0.029	± 0.004	0.04	± 0.003
002	3/64	3/64	0.042	± 0.004	0.05	± 0.003
003	1/16	1/16	0.056	± 0.004	0.06	± 0.003
004	5/64	1/16	0.07	± 0.005	0.07	± 0.003
005	3/32	1/16	0.101	± 0.005	0.07	± 0.003
006	1/8	1/16	0.114	± 0.005	0.07	± 0.003
007	5/32	1/16	0.145	± 0.005	0.07	± 0.003
008	3/16	1/16	0.176	± 0.005	0.07	± 0.003
009	7/32	1/16	0.208	± 0.005	0.07	± 0.003
010	1/4	1/16	0.239	± 0.005	0.07	± 0.003
011	5/16	1/16	0.301	± 0.005	0.07	± 0.003
012	3/8	1/16	0.364	± 0.005	0.07	± 0.003
013	7/16	1/16	0.426	± 0.005	0.07	± 0.003
014	1/2	1/16	0.489	± 0.005	0.07	± 0.003
015	9/16	1/16	0.551	± 0.007	0.07	± 0.003
016	5/8	1/16	0.614	± 0.009	0.07	± 0.003
017	11/16	1/16	0.676	± 0.009	0.07	± 0.003
018	3/4	1/16	0.739	± 0.009	0.07	± 0.003
019	13/16	1/16	0.801	± 0.009	0.07	± 0.003
020	7/8	1/16	0.864	± 0.009	0.07	± 0.003
021	15/16	1/16	0.926	± 0.009	0.07	± 0.003
022	1	1/16	0.989	± 0.010	0.07	± 0.003
023	1 - 1/16	1/16	1.051	± 0.010	0.07	± 0.003
024	1 - 1/8	1/16	1.114	± 0.010	0.07	± 0.003
025	1 - 3/16	1/16	1.176	± 0.011	0.07	± 0.003
026	1 - 1/4	1/16	1.239	± 0.011	0.07	± 0.003
027	1 - 5/16	1/16	1.301	± 0.011	0.07	± 0.003
028	1 - 3/8	1/16	1.364	± 0.013	0.07	± 0.003
029	1 - 1/2	1/16	1.489	± 0.013	0.07	± 0.003
030	1 - 5/8	1/16	1.614	± 0.013	0.07	± 0.003
031	1 - 3/4	1/16	1.739	± 0.015	0.07	± 0.003
032	1 - 7/8	1/16	1.864	± 0.015	0.07	± 0.003
033	2	1/16	1.989	± 0.018	0.07	± 0.003
034	2 - 1/8	1/16	2.114	± 0.018	0.07	± 0.003
035	2 - 1/4	1/16	2.239	± 0.018	0.07	± 0.003
036	2 - 3/8	1/16	2.364	± 0.018	0.07	± 0.003
037	2 - 1/2	1/16	2.489	± 0.018	0.07	± 0.003
038	2 - 5/8	1/16	2.614	± 0.020	0.07	± 0.003
039	2 - 3/4	1/16	2.739	± 0.020	0.07	± 0.003
040	2 - 7/8	1/16	2.864	± 0.020	0.07	± 0.003

Showing 1 to 40 of 349 entries

900 Series O-Ring (ORB)

Dash Number	Imperial Actual - I.D.	Tolerance	Imperial Actual - C/S	Tolerance
901	0.185	± 0.005	0.056	± 0.003
902	0.239	± 0.005	0.064	± 0.003
903	0.301	± 0.005	0.064	± 0.003
904	0.351	± 0.005	0.072	± 0.003
905	0.414	± 0.005	0.072	± 0.003
906	0.468	± 0.005	0.078	± 0.003
907	0.53	± 0.005	0.082	± 0.003
908	0.644	± 0.009	0.087	± 0.003
909	0.706	± 0.009	0.097	± 0.003
910	0.755	± 0.009	0.097	± 0.003
911	0.863	± 0.009	0.116	± 0.004
912	0.924	± 0.009	0.116	± 0.004
913	0.986	± 0.010	0.116	± 0.004
914	1.048	± 0.010	0.116	± 0.004
916	1.171	± 0.010	0.116	± 0.004
918	1.355	± 0.012	0.116	± 0.004
920	1.475	± 0.014	0.118	± 0.004
924	1.72	± 0.014	0.118	± 0.004
928	2.09	± 0.018	0.118	± 0.004
932	2.337	± 0.018	0.118	± 0.004

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Imperial O-Ring Sizing Chart

Varigate's O-Ring Part Numbers are Simple!

900 Series O-Ring (ORB)

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