Dynamic O-Ring Design Chart

*Recommended surface finish: 16 Ra max. for gases and 32 Ra max. for fluids. All dynamic applications to have 16 Ra max.

AS 568A Series	O-Ring Cross Section		Gland Width		Gland Corner Radii
	Nom	Tol +/-	Nom	Tol +/-	(R1)	(R2)

-0XX	0.07	0.003	0.095	0.002	0.007	0.005
-1XX	0.103	0.004	0.142	0.003	0.007	0.005
-2XX	0.139	0.004	0.189	0.003	0.017	0.005
-3XX	0.21	0.005	0.283	0.003	0.027	0.005
-4XX	0.275	0.006	0.377	0.003	0.027	0.005

Dash Size	O-Ring Cross Section		O-Ring Diameter		O.D. Sealing Type Gland Diameter (D)	O.D. Sealing Type Piston Diameter (E)	O.D. Sealing Type Bore Diameter (F)	I.D. Sealing Type Gland Diameter (D)	I.D. Sealing Type Piston Diameter (E)	I.D. Sealing Type Bore Diameter (F)
	Nom	Tol +/-	Nom	Tol +/-	+.000/-.002	+.000/-.001	+.002/-.000	+.002/-.000	+.000/-.002	+.001/-.000

-006	0.07	0.003	0.114	0.005	0.139	0.247	0.249	0.234	0.124	0.126
-007	0.07	0.003	0.145	0.005	0.17	0.278	0.28	0.265	0.155	0.157
-008	0.07	0.003	0.176	0.005	0.201	0.309	0.311	0.296	0.186	0.188
-009	0.07	0.003	0.208	0.005	0.233	0.341	0.343	0.328	0.218	0.22
-010	0.07	0.003	0.239	0.005	0.264	0.372	0.374	0.359	0.249	0.251
-011	0.07	0.003	0.301	0.005	0.326	0.434	0.436	0.421	0.311	0.313
-012	0.07	0.003	0.364	0.005	0.389	0.497	0.499	0.484	0.374	0.376
-104	0.103	0.003	0.112	0.005	0.136	0.31	0.312	0.3	0.124	0.126

Related Links