O-Ring AS568 Standard Size Chart

Updated O-Ring Chart

Dash #	CS Nominal	ID Nominal	OD Nominal	CS Inch	ID Inch	CS mm	ID mm

001	1/32	1/32	3/32	0.04	0.029	1.02	0.74
002	3/64	3/64	9/64	0.05	0.042	1.27	1.07
003	1/16	1/16	3/16	0.06	0.056	1.52	1.42
004	1/16	5/64	13/64	0.07	0.07	1.78	1.78
005	1/16	3/32	7/32	0.07	0.101	1.78	2.57
006	1/16	1/8	1/4	0.07	0.114	1.78	2.9
007	1/16	5/32	9/32	0.07	0.145	1.78	3.68
008	1/16	3/16	5/16	0.07	0.176	1.78	4.47
009	1/16	7/32	11/32	0.07	0.208	1.78	5.28
010	1/16	1/4	3/8	0.07	0.239	1.78	6.07
011	1/16	5/16	7/16	0.07	0.301	1.78	7.65
012	1/16	3/8	1/2	0.07	0.364	1.78	9.25
013	1/16	7/16	9/16	0.07	0.426	1.78	10.82
014	1/16	1/2	5/8	0.07	0.489	1.78	12.42
015	1/16	9/16	11/16	0.07	0.551	1.78	14
016	1/16	5/8	3/4	0.07	0.614	1.78	15.6
017	1/16	11/16	13/16	0.07	0.676	1.78	17.17
018	1/16	3/4	7/8	0.07	0.739	1.78	18.77
019	1/16	13/16	15/16	0.07	0.801	1.78	20.35
020	1/16	7/8	1	0.07	0.864	1.78	21.95
021	1/16	15/16	1-1/16	0.07	0.926	1.78	23.52
022	1/16	1	1-1/8	0.07	0.989	1.78	25.12
023	1/16	1-1/16	1-3/16	0.07	1.051	1.78	26.7
024	1/16	1-1/8	1-1/4	0.07	1.114	1.78	28.3
025	1/16	1-3/16	1-5/16	0.07	1.176	1.78	29.87
026	1/16	1-1/4	1-3/8	0.07	1.239	1.78	31.47
027	1/16	1-5/16	1-7/16	0.07	1.301	1.78	33.05
028	1/16	1-3/8	1-1/2	0.07	1.364	1.78	34.65
029	1/16	1-1/2	1-5/8	0.07	1.489	1.78	37.82
030	1/16	1-5/8	1-3/4	0.07	1.614	1.78	41
031	1/16	1-3/4	1-7/8	0.07	1.739	1.78	44.17
032	1/16	1-7/8	2	0.07	1.864	1.78	47.35
033	1/16	2	2-1/8	0.07	1.989	1.78	50.52
034	1/16	2-1/8	2-1/4	0.07	2.114	1.78	53.7
035	1/16	2-1/4	2-3/8	0.07	2.239	1.78	56.87
036	1/16	2-3/8	2-1/2	0.07	2.364	1.78	60.05
037	1/16	2-1/2	2-5/8	0.07	2.489	1.78	63.22
038	1/16	2-5/8	2-3/4	0.07	2.614	1.78	66.4
039	1/16	2-3/4	2-7/8	0.07	2.739	1.78	69.57
040	1/16	2-7/8	3	0.07	2.864	1.78	72.75
041	1/16	3	3-1/8	0.07	2.989	1.78	75.92
042	1/16	3-1/4	3-3/8	0.07	3.239	1.78	82.27
043	1/16	3-1/2	3-5/8	0.07	3.489	1.78	88.62
044	1/16	3-3/4	3-7/8	0.07	3.739	1.78	94.97
045	1/16	4	4-1/8	0.07	3.989	1.78	101.32
046	1/16	4-1/4	4-3/8	0.07	4.239	1.78	107.67
047	1/16	4-1/2	4-5/8	0.07	4.489	1.78	114.02
048	1/16	4-3/4	4-7/8	0.07	4.739	1.78	120.37
049	1/16	5	5-1/8	0.07	4.989	1.78	126.72
050	1/16	5-1/4	5-3/8	0.07	5.239	1.78	133.07
102	3/32	1/16	1/4	0.103	0.049	2.62	1.24
103	3/32	3/32	9/32	0.103	0.081	2.62	2.06
104	3/32	1/8	5/16	0.103	0.112	2.62	2.84
105	3/32	5/32	11/32	0.103	0.143	2.62	3.63
106	3/32	3/16	3/8	0.103	0.174	2.62	4.42
107	3/32	7/32	13/32	0.103	0.206	2.62	5.23
108	3/32	1/4	7/16	0.103	0.237	2.62	6.02
109	3/32	5/16	1/2	0.103	0.299	2.62	7.59
110	3/32	3/8	9/16	0.103	0.362	2.62	9.19
111	3/32	7/16	5/8	0.103	0.424	2.62	10.77
112	3/32	1/2	11/16	0.103	0.487	2.62	12.37
113	3/32	9/16	3/4	0.103	0.549	2.62	13.94
114	3/32	5/8	13/16	0.103	0.612	2.62	15.54
115	3/32	11/16	7/8	0.103	0.674	2.62	17.12
116	3/32	3/4	15/16	0.103	0.737	2.62	18.72
117	3/32	13/16	1	0.103	0.799	2.62	20.29
118	3/32	7/8	1-1/16	0.103	0.862	2.62	21.89
119	3/32	15/16	1-1/8	0.103	0.924	2.62	23.47
120	3/32	1	1-3/16	0.103	0.987	2.62	25.07
121	3/32	1-1/16	1-1/4	0.103	1.049	2.62	26.64
122	3/32	1-1/8	1-5/16	0.103	1.112	2.62	28.24
123	3/32	1-3/16	1-3/8	0.103	1.174	2.62	29.82
124	3/32	1-1/4	1-7/16	0.103	1.237	2.62	31.42
125	3/32	1-5/16	1-1/2	0.103	1.299	2.62	32.99
126	3/32	1-3/8	1-9/16	0.103	1.362	2.62	34.59
127	3/32	1-7/16	1-5/8	0.103	1.424	2.62	36.17
128	3/32	1-1/2	1-11/16	0.103	1.487	2.62	37.77
129	3/32	1-9/16	1-3/4	0.103	1.549	2.62	39.34
130	3/32	1-5/8	1-13/16	0.103	1.612	2.62	40.94
131	3/32	1-11/16	1-7/8	0.103	1.674	2.62	42.52
132	3/32	1-3/4	1-15/16	0.103	1.737	2.62	44.12
133	3/32	1-13/16	2	0.103	1.799	2.62	45.69
134	3/32	1-7/8	2-1/16	0.103	1.862	2.62	47.29
135	3/32	1-15/16	2-1/8	0.103	1.925	2.62	48.9
136	3/32	2	2-3/16	0.103	1.987	2.62	50.47
137	3/32	2-1/16	2-1/4	0.103	2.05	2.62	52.07
138	3/32	2-1/8	2-5/16	0.103	2.112	2.62	53.64
139	3/32	2-3/16	2-3/8	0.103	2.175	2.62	55.25
140	3/32	2-1/4	2-7/16	0.103	2.237	2.62	56.82
141	3/32	2-5/16	2-1/2	0.103	2.3	2.62	58.42
142	3/32	2-3/8	2-9/16	0.103	2.362	2.62	59.99
143	3/32	2-7/16	2-5/8	0.103	2.425	2.62	61.6
144	3/32	2-1/2	2-11/16	0.103	2.487	2.62	63.17
145	3/32	2-9/16	2-3/4	0.103	2.55	2.62	64.77
146	3/32	2-5/8	2-13/16	0.103	2.612	2.62	66.34
147	3/32	2-11/16	2-7/8	0.103	2.675	2.62	67.95
148	3/32	2-3/4	2-15/16	0.103	2.737	2.62	69.52
149	3/32	2-13/16	3	0.103	2.8	2.62	71.12
150	3/32	2-7/8	3-1/16	0.103	2.862	2.62	72.69
151	3/32	3	3-3/16	0.103	2.987	2.62	75.87
152	3/32	3-1/4	3-7/16	0.103	3.237	2.62	82.22
153	3/32	3-1/2	3-11/16	0.103	3.487	2.62	88.57
154	3/32	3-3/4	3-15/16	0.103	3.737	2.62	94.92
155	3/32	4	4-3/16	0.103	3.987	2.62	101.27
156	3/32	4-1/4	4-7/16	0.103	4.237	2.62	107.62
157	3/32	4-1/2	4-11/16	0.103	4.487	2.62	113.97
158	3/32	4-3/4	4-15/16	0.103	4.737	2.62	120.32
159	3/32	5	5-3/16	0.103	4.987	2.62	126.67
160	3/32	5-1/4	5-7/16	0.103	5.237	2.62	133.02
161	3/32	5-1/2	5-11/16	0.103	5.487	2.62	139.37
162	3/32	5-3/4	5-15/16	0.103	5.737	2.62	145.72
163	3/32	6	6-3/16	0.103	5.987	2.62	152.07
164	3/32	6-1/4	6-7/16	0.103	6.237	2.62	158.42
165	3/32	6-1/2	6-11/16	0.103	6.487	2.62	164.77
166	3/32	6-3/4	6-15/16	0.103	6.737	2.62	171.12
167	3/32	7	7-3/16	0.103	6.987	2.62	177.47
168	3/32	7-1/4	7-7/16	0.103	7.237	2.62	183.82
169	3/32	7-1/2	7-11/16	0.103	7.487	2.62	190.17
170	3/32	7-3/4	7-15/16	0.103	7.737	2.62	196.52
171	3/32	8	8-3/16	0.103	7.987	2.62	202.87
172	3/32	8-1/4	8-7/16	0.103	8.237	2.62	209.22
173	3/32	8-1/2	8-11/16	0.103	8.487	2.62	215.57
174	3/32	8-3/4	8-15/16	0.103	8.737	2.62	221.92
175	3/32	9	9-3/16	0.103	8.987	2.62	228.27
176	3/32	9-1/4	9-7/16	0.103	9.237	2.62	234.62
177	3/32	9-1/2	9-11/16	0.103	9.487	2.62	240.97
178	3/32	9-3/4	9-15/16	0.103	9.737	2.62	247.32
201	1/8	3/16	7/16	0.139	0.171	3.53	4.34
202	1/8	1/4	1/2	0.139	0.234	3.53	5.94
203	1/8	5/16	9/16	0.139	0.296	3.53	7.52
204	1/8	3/8	5/8	0.139	0.359	3.53	9.12
205	1/8	7/16	11/16	0.139	0.421	3.53	10.69
206	1/8	1/2	3/4	0.139	0.484	3.53	12.29
207	1/8	9/16	13/16	0.139	0.546	3.53	13.87
208	1/8	5/8	7/8	0.139	0.609	3.53	15.47
209	1/8	11/16	15/16	0.139	0.671	3.53	17.04
210	1/8	3/4	1	0.139	0.734	3.53	18.64
211	1/8	13/16	1-1/16	0.139	0.796	3.53	20.22
212	1/8	7/8	1-1/8	0.139	0.859	3.53	21.82
213	1/8	15/16	1-3/16	0.139	0.921	3.53	23.39
214	1/8	1	1-1/4	0.139	0.984	3.53	24.99
215	1/8	1-1/16	1-5/16	0.139	1.046	3.53	26.57
216	1/8	1-1/8	1-3/8	0.139	1.109	3.53	28.17
217	1/8	1-3/16	1-7/16	0.139	1.171	3.53	29.74
218	1/8	1-1/4	1-1/2	0.139	1.234	3.53	31.34
219	1/8	1-5/16	1-9/16	0.139	1.296	3.53	32.92
220	1/8	1-3/8	1-5/8	0.139	1.359	3.53	34.52
221	1/8	1-7/16	1-11/16	0.139	1.421	3.53	36.1
222	1/8	1-1/2	1-3/4	0.139	1.484	3.53	37.7
223	1/8	1-9/16	1-13/16	0.139	1.546	3.53	39.27
224	1/8	1-5/8	1-7/8	0.139	1.609	3.53	40.87
225	1/8	1-11/16	1-15/16	0.139	1.671	3.53	42.44
226	1/8	1-3/4	2	0.139	1.734	3.53	44.04
227	1/8	1-13/16	2-1/16	0.139	1.796	3.53	45.62
228	1/8	1-7/8	2-1/8	0.139	1.859	3.53	47.22
229	1/8	1-15/16	2-3/16	0.139	1.921	3.53	48.79
230	1/8	2	2-1/4	0.139	1.984	3.53	50.39
231	1/8	2-1/8	2-3/8	0.139	2.109	3.53	53.57
232	1/8	2-1/4	2-1/2	0.139	2.234	3.53	56.77
233	1/8	2-3/8	2-5/8	0.139	2.359	3.53	59.97
234	1/8	2-1/2	2-3/4	0.139	2.484	3.53	63.17
235	1/8	2-5/8	2-7/8	0.139	2.609	3.53	66.37
236	1/8	2-3/4	3	0.139	2.734	3.53	69.57
237	1/8	2-7/8	3-1/8	0.139	2.859	3.53	72.77
238	1/8	3	3-1/4	0.139	2.984	3.53	75.97
239	1/8	3-1/4	3-1/2	0.139	3.234	3.53	82.32
240	1/8	3-1/2	3-3/4	0.139	3.484	3.53	88.67
241	1/8	3-3/4	4	0.139	3.734	3.53	95.02
242	1/8	4	4-1/4	0.139	3.984	3.53	101.37
243	1/8	4-1/4	4-1/2	0.139	4.234	3.53	107.72
244	1/8	4-1/2	4-3/4	0.139	4.484	3.53	114.07
245	1/8	4-3/4	5	0.139	4.734	3.53	120.42
246	1/8	5	5-1/4	0.139	4.984	3.53	126.77
247	1/8	5-1/4	5-1/2	0.139	5.234	3.53	133.12
248	1/8	5-1/2	5-3/4	0.139	5.484	3.53	139.47
249	1/8	5-3/4	6	0.139	5.734	3.53	145.82
250	1/8	6	6-1/4	0.139	5.984	3.53	152.17
251	1/8	6-1/4	6-1/2	0.139	6.234	3.53	158.52
252	1/8	6-1/2	6-3/4	0.139	6.484	3.53	164.87
253	1/8	6-3/4	7	0.139	6.734	3.53	171.22
254	1/8	7	7-1/4	0.139	6.984	3.53	177.57
255	1/8	7-1/4	7-1/2	0.139	7.234	3.53	183.92
256	1/8	7-1/2	7-3/4	0.139	7.484	3.53	190.27
257	1/8	7-3/4	8	0.139	7.734	3.53	196.62
258	1/8	8	8-1/4	0.139	7.984	3.53	202.97
259	1/8	8-1/4	8-1/2	0.139	8.234	3.53	209.32
260	1/8	8-1/2	8-3/4	0.139	8.484	3.53	215.67
261	1/8	8-3/4	9	0.139	8.734	3.53	222.02
262	1/8	9	9-1/4	0.139	8.984	3.53	228.37
263	1/8	9-1/4	9-1/2	0.139	9.234	3.53	234.72
264	1/8	9-1/2	9-3/4	0.139	9.484	3.53	241.07
265	1/8	9-3/4	10	0.139	9.734	3.53	247.42
266	1/8	10	10-1/4	0.139	9.984	3.53	253.77
267	1/8	10-1/2	10-3/4	0.139	10.484	3.53	266.47
268	1/8	11	11-1/4	0.139	10.984	3.53	279.17
269	1/8	11-1/2	11-3/4	0.139	11.484	3.53	291.87
270	1/8	12	12-1/4	0.139	11.984	3.53	304.57
271	1/8	12-1/2	12-3/4	0.139	12.484	3.53	317.27
272	1/8	13	13-1/4	0.139	12.984	3.53	329.97
273	1/8	13-1/2	13-3/4	0.139	13.484	3.53	342.67
274	1/8	14	14-1/4	0.139	13.984	3.53	355.37
275	1/8	14-1/2	14-3/4	0.139	14.484	3.53	368.07
276	1/8	15	15-1/4	0.139	14.984	3.53	380.77
325	3/16	1-5/8	2	0.21	1.609	5.33	40.87
326	3/16	1-3/4	2-1/8	0.21	1.734	5.33	44.04
327	3/16	1-7/8	2-1/4	0.21	1.859	5.33	47.22
328	3/16	2	2-3/8	0.21	1.984	5.33	50.39
329	3/16	2-1/8	2-1/2	0.21	2.109	5.33	53.57
330	3/16	2-1/4	2-5/8	0.21	2.234	5.33	56.77
331	3/16	2-3/8	2-3/4	0.21	2.359	5.33	59.97
332	3/16	2-1/2	2-7/8	0.21	2.484	5.33	63.17
333	3/16	2-5/8	3	0.21	2.609	5.33	66.37
334	3/16	2-3/4	3-1/8	0.21	2.734	5.33	69.57
335	3/16	2-7/8	3-1/4	0.21	2.859	5.33	72.77
336	3/16	3	3-3/8	0.21	2.984	5.33	75.97
337	3/16	3-1/4	3-5/8	0.21	3.234	5.33	82.32
338	3/16	3-1/2	3-7/8	0.21	3.484	5.33	88.67
339	3/16	3-3/4	4-1/8	0.21	3.734	5.33	95.02
340	3/16	4	4-3/8	0.21	3.984	5.33	101.37
341	3/16	4-1/4	4-5/8	0.21	4.234	5.33	107.72
342	3/16	4-1/2	4-7/8	0.21	4.484	5.33	114.07
343	3/16	4-3/4	5-1/8	0.21	4.734	5.33	120.42
344	3/16	5	5-3/8	0.21	4.984	5.33	126.77
345	3/16	5-1/4	5-5/8	0.21	5.234	5.33	133.12
346	3/16	5-1/2	5-7/8	0.21	5.484	5.33	139.47
347	3/16	5-3/4	6-1/8	0.21	5.734	5.33	145.82
348	3/16	6	6-3/8	0.21	5.984	5.33	152.17
349	3/16	6-1/4	6-5/8	0.21	6.234	5.33	158.52
350	3/16	6-1/2	6-7/8	0.21	6.484	5.33	164.87
351	3/16	6-3/4	7-1/8	0.21	6.734	5.33	171.22
352	3/16	7	7-3/8	0.21	6.984	5.33	177.57
353	3/16	7-1/4	7-5/8	0.21	7.234	5.33	183.92
354	3/16	7-1/2	7-7/8	0.21	7.484	5.33	190.27
355	3/16	7-3/4	8-1/8	0.21	7.734	5.33	196.62
356	3/16	8	8-3/8	0.21	7.984	5.33	202.97
357	3/16	8-1/4	8-5/8	0.21	8.234	5.33	209.32
358	3/16	8-1/2	8-7/8	0.21	8.484	5.33	215.67
359	3/16	8-3/4	9-1/8	0.21	8.734	5.33	222.02
360	3/16	9	9-3/8	0.21	8.984	5.33	228.37
361	3/16	9-1/4	9-5/8	0.21	9.234	5.33	234.72
362	3/16	9-1/2	9-7/8	0.21	9.484	5.33	241.07
363	3/16	9-3/4	10-1/8	0.21	9.734	5.33	247.42
364	3/16	10	10-3/8	0.21	9.984	5.33	253.77
365	3/16	10-1/2	10-7/8	0.21	10.484	5.33	266.47
366	3/16	11	11-3/8	0.21	10.984	5.33	279.17
367	3/16	11-1/2	11-7/8	0.21	11.484	5.33	291.87
368	3/16	12	12-3/8	0.21	11.984	5.33	304.57
369	3/16	12-1/2	12-7/8	0.21	12.484	5.33	317.27
370	3/16	13	13-3/8	0.21	12.984	5.33	329.97
371	3/16	13-1/2	13-7/8	0.21	13.484	5.33	342.67
372	3/16	14	14-3/8	0.21	13.984	5.33	355.37
373	3/16	14-1/2	14-7/8	0.21	14.484	5.33	368.07
374	3/16	15	15-3/8	0.21	14.984	5.33	380.77
375	3/16	15-1/2	15-7/8	0.21	15.484	5.33	393.47
376	3/16	16	16-3/8	0.21	15.984	5.33	406.17
425	1/4	2-1/2	3	0.275	2.484	6.99	63.17
426	1/4	2-3/4	3-1/4	0.275	2.734	6.99	69.57
427	1/4	3	3-1/2	0.275	2.984	6.99	75.97
428	1/4	3-1/4	3-3/4	0.275	3.234	6.99	82.32
429	1/4	3-1/2	4	0.275	3.484	6.99	88.67
430	1/4	3-3/4	4-1/4	0.275	3.734	6.99	95.02
431	1/4	4	4-1/2	0.275	3.984	6.99	101.37
432	1/4	4-1/4	4-3/4	0.275	4.234	6.99	107.72
433	1/4	4-1/2	5	0.275	4.484	6.99	114.07
434	1/4	4-3/4	5-1/4	0.275	4.734	6.99	120.42
435	1/4	5	5-1/2	0.275	4.984	6.99	126.77
436	1/4	5-1/4	5-3/4	0.275	5.234	6.99	133.12
437	1/4	5-1/2	6	0.275	5.484	6.99	139.47
438	1/4	5-3/4	6-1/4	0.275	5.734	6.99	145.82
439	1/4	6	6-1/2	0.275	5.984	6.99	152.17
440	1/4	6-1/4	6-3/4	0.275	6.234	6.99	158.52
441	1/4	6-1/2	7	0.275	6.484	6.99	164.87
442	1/4	6-3/4	7-1/4	0.275	6.734	6.99	171.22
443	1/4	7	7-1/2	0.275	6.984	6.99	177.57
444	1/4	7-1/4	7-3/4	0.275	7.234	6.99	183.92
445	1/4	7-1/2	8	0.275	7.484	6.99	190.27
446	1/4	7-3/4	8-1/4	0.275	7.734	6.99	196.62
447	1/4	8	8-1/2	0.275	7.984	6.99	202.97
448	1/4	8-1/4	8-3/4	0.275	8.234	6.99	209.32
449	1/4	8-1/2	9	0.275	8.484	6.99	215.67
450	1/4	8-3/4	9-1/4	0.275	8.734	6.99	222.02
451	1/4	9	9-1/2	0.275	8.984	6.99	228.37
452	1/4	9-1/4	9-3/4	0.275	9.234	6.99	234.72
453	1/4	9-1/2	10	0.275	9.484	6.99	241.07
454	1/4	9-3/4	10-1/4	0.275	9.734	6.99	247.42
455	1/4	10	10-1/2	0.275	9.984	6.99	253.77
456	1/4	10-1/2	11	0.275	10.484	6.99	266.47
457	1/4	11	11-1/2	0.275	10.984	6.99	279.17
458	1/4	11-1/2	12	0.275	11.484	6.99	291.87
459	1/4	12	12-1/2	0.275	11.984	6.99	304.57
460	1/4	12-1/2	13	0.275	12.484	6.99	317.27
461	1/4	13	13-1/2	0.275	12.984	6.99	329.97
462	1/4	13-1/2	14	0.275	13.484	6.99	342.67
463	1/4	14	14-1/2	0.275	13.984	6.99	355.37
464	1/4	14-1/2	15	0.275	14.484	6.99	368.07
465	1/4	15	15-1/2	0.275	14.984	6.99	380.77
466	1/4	15-1/2	16	0.275	15.484	6.99	393.47
467	1/4	16	16-1/2	0.275	15.984	6.99	406.17
468	1/4	16-1/2	17	0.275	16.484	6.99	418.87
469	1/4	17	17-1/2	0.275	16.984	6.99	431.57
470	1/4	17-1/2	18	0.275	17.484	6.99	444.27
471	1/4	18	18-1/2	0.275	17.984	6.99	456.97
472	1/4	18-1/2	19	0.275	18.484	6.99	469.67
473	1/4	19	19-1/2	0.275	18.984	6.99	482.37
474	1/4	19-1/2	20	0.275	19.484	6.99	495.07
475	1/4	20	20-1/2	0.275	19.984	6.99	507.77