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Size Chart

This table displays the actual sizes represented by the AS568 Standard Oring "Dash" size chart. Included are 5 different Cross-Sections (0.070 through 0.275 inches), Inside-Diameters ranging from 0.029 to 18.955 inches and 20 Boss Fitting Sizes (-9XX series).
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Dash Number	I.D. (Inches)	Tol. +/-	C.S. (Inches)	Tol. +/-

-001	.029	.004	0.040	.003
-002	.042	.004	0.050	.003
-003	.056	.004	0.060	.003
-004	.070	.005	.070	.003
-005	.101	.005	.070	.003

-006	.114	.005	.070	.003
-007	.145	.005	.070	.003
-008	.176	.005	.070	.003
-009	.208	.005	.070	.003
-010	.239	.005	.070	.003

-011	.301	.005	.070	.003
-012	.364	.005	.070	.003
-013	.426	.005	.070	.003
-014	.489	.005	.070	.003
-015	.551	.007	.070	.003

-016	.614	.009	.070	.003
-017	.676	.009	.070	.003
-018	.739	.009	.070	.003
-019	.801	.009	.070	.003
-020	.864	.009	.070	.003

-021	.926	.009	.070	.003
-022	.989	.010	.070	.003
-023	1.051	.010	.070	.003
-024	1.114	.010	.070	.003
-025	1.176	.011	.070	.003

-026	1.239	.011	.070	.003
-027	1.301	.011	.070	.003
-028	1.364	.013	.070	.003
-029	1.489	.013	.070	.003
-030	1.614	.013	.070	.003

-031	1.739	.015	.070	.003
-032	1.864	.015	.070	.003
-033	1.989	.018	.070	.003
-034	2.114	.018	.070	.003
-035	2.239	.018	.070	.003

-036	2.364	.018	.070	.003
-037	2.489	.018	.070	.003
-038	2.614	.020	.070	.003
-039	2.739	.020	.070	.003
-040	2.864	.020	.070	.003

-041	2.989	.024	.070	.003
-042	3.239	.024	.070	.003
-043	3.489	.024	.070	.003
-044	3.739	.027	.070	.003
-045	3.989	.027	.070	.003

-046	4.239	.030	.070	.003
-047	4.489	.030	.070	.003
-048	4.739	.030	.070	.003
-049	4.989	.037	.070	.003
-050	5.239	.037	.070	.003
Dash Number	I.D. (Inches)	Tol. +/-	C.S. (Inches)	Tol. +/-
-102	.049	.005	.103	.003
-103	.081	.005	.103	.003
-104	.112	.005	.103	.003
-105	.143	.005	.103	.003
-106	.174	.005	.103	.003

-107	.206	.005	.103	.003
-108	.237	.005	.103	.003
-109	.299	.005	.103	.003
-110	.362	.005	.103	.003
-111	.424	.005	.103	.003

-112	.487	.005	.103	.003
-113	.549	.007	.103	.003
-114	.612	.009	.103	.003
-115	.674	.009	.103	.003
-116	.737	.009	.103	.003

-117	.799	.010	.103	.003
-118	.862	.010	.103	.003
-119	.924	.010	.103	.003
-120	.987	.010	.103	.003
-121	1.049	.010	.103	.003

-122	1.112	.010	.103	.003
-123	1.174	.012	.103	.003
-124	1.237	.012	.103	.003
-125	1.299	.012	.103	.003
-126	1.362	.012	.103	.003

-127	1.424	.012	.103	.003
-128	1.487	.012	.103	.003
-129	1.549	.015	.103	.003
-130	1.612	.015	.103	.003
-131	1.674	.015	.103	.003

-132	1.737	.015	.103	.003
-133	1.799	.015	.103	.003
-134	1.862	.015	.103	.003
-135	1.925	.017	.103	.003
-136	1.987	.017	.103	.003

-137	2.050	.017	.103	.003
-138	2.112	.017	.103	.003
-139	2.175	.017	.103	.003
-140	2.237	.017	.103	.003
-141	2.300	.020	.103	.003

-142	2.362	.020	.103	.003
-143	2.425	.020	.103	.003
-144	2.487	.020	.103	.003
-145	2.550	.020	.103	.003
-146	2.612	.020	.103	.003

-147	2.675	.022	.103	.003
-148	2.737	.022	.103	.003
-149	2.800	.022	.103	.003
-150	2.862	.022	.103	.003
-151	2.987	.024	.103	.003

-152	3.237	.024	.103	.003
-153	3.487	.024	.103	.003
-154	3.737	.028	.103	.003
-155	3.987	.028	.103	.003
-156	4.237	.030	.103	.003

-157	4.487	.030	.103	.003
-158	4.737	.030	.103	.003
-159	4.987	.035	.103	.003
-160	5.237	.035	.103	.003
-161	5.487	.035	.103	.003

-162	5.737	.035	.103	.003
-163	5.987	.035	.103	.003