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Home > PSP Sizes > 200 Series Sizes

PSP O-ring Sizing Charts

The sizes are grouped by cross section and listed numerically.
Actual sizes for inside diameter are referenced
by minimum, mean and maximum dimensions.

200 SIZES Cross-Section (width) 0.139" +or- 0.004"

Inside Diameter in Inches

Size	Min.	Mean	Max.		Size	Min.	Mean	Max.
PSP-201	0.166	0.171	0.176		PSP-251	5.074	5.109	5.144
PSP-202	0.229	0.234	0.239		PSP-252	5.199	5.234	5.269
PSP-203	0.291	0.296	0.301		PSP-253	5.324	5.359	5.394
PSP-204	0.354	0.359	0.364		PSP-254	5.449	5.484	5.519
PSP-205	0.416	0.421	0.426		PSP-255	5.574	5.609	5.644
PSP-206	0.479	0.484	0.489		PSP-256	5.699	5.734	5.769
PSP-207	0.539	0.546	0.553		PSP-257	5.824	5.859	5.894
PSP-208	0.600	0.609	0.618		PSP-258	5.949	5.984	6.019
PSP-209	0.662	0.671	0.680		PSP-259	6.194	6.234	6.274
PSP-210	0.724	0.734	0.744		PSP-260	6.444	6.484	6.524

PSP-211	0.786	0.796	0.806		PSP-261	6.694	6.734	6.774
PSP-212	0.849	0.859	0.869		PSP-262	6.944	6.984	7.024
PSP-213	0.911	0.921	0.931		PSP-263	7.189	7.234	7.279
PSP-214	0.974	0.984	0.994		PSP-264	7.439	7.484	7.529
PSP-215	1.036	1.046	1.056		PSP-265	7.689	7.734	7.779
PSP-216	1.097	1.109	1.121		PSP-266	7.939	7.984	8.029
PSP-217	1.159	1.171	1.183		PSP-267	8.184	8.234	8.284
PSP-218	1.222	1.234	1.246		PSP-268	8.434	8.484	8.534
PSP-219	1.284	1.296	1.308		PSP-269	8.684	8.734	8.784
PSP-220	1.347	1.359	1.371		PSP-270	8.934	8.984	9.034

PSP-221	1.409	1.421	1.433		PSP-271	9.179	9.234	9.289
PSP-222	1.469	1.484	1.499		PSP-272	9.429	9.484	9.539
PSP-223	1.594	1.609	1.624		PSP-273	9.679	9.734	9.789
PSP-224	1.719	1.734	1.749		PSP-274	9.929	9.984	10.039
PSP-225	1.841	1.859	1.877		PSP-275	10.429	10.484	10.539
PSP-226	1.966	1.984	2.002		PSP-276	10.919	10.984	11.049
PSP-227	2.091	2.109	2.127		PSP-277	11.419	11.484	11.549
PSP-228	2.214	2.234	2.254		PSP-278	11.919	11.984	12.049
PSP-229	2.339	2.359	2.379		PSP-279	12.919	12.984	13.049
PSP-230	2.464	2.484	2.504		PSP-280	13.919	13.984	14.049

PSP-231	2.589	2.609	2.629		PSP-281	14.919	14.984	15.049
PSP-232	2.710	2.734	2.758		PSP-282	15.880	15.955	16.030
PSP-233	2.835	2.859	2.883		PSP-283	16.875	16.955	17.035
PSP-234	2.960	2.984	3.008		PSP-284	17.870	17.955	18.040
PSP-235	3.085	3.109	3.133
PSP-236	3.210	3.234	3.258
PSP-237	3.335	3.359	3.383
PSP-238	3.460	3.484	3.508
PSP-239	3.581	3.609	3.637
PSP-240	3.706	3.734	3.762

PSP-241	3.831	3.859	3.887
PSP-242	3.956	3.984	4.012
PSP-243	4.081	4.109	4.137
PSP-244	4.204	4.234	4.264
PSP-245	4.329	4.359	4.389
PSP-246	4.454	4.484	4.514
PSP-247	4.579	4.609	4.639
PSP-248	4.704	4.734	4.764
PSP-249	4.824	4.859	4.894
PSP-250	4.949	4.984	5.019

PSP O-ring Size Charts continued with PSP-300 Sizes

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