300 Retainer Ring
| Part Number | A Nom. ID | B Nom. OD | C Nom. Ht |
| 300-025 300-045 300-050 300-062 300-075 300-087 300-090 300-093 300-100 300-102 300-106 300-112 300-118 300-125 300-137 300-143 300-150 300-156 300-162 300-165 300-168 300-175 300-187 300-193 300-200 300-206 300-212 300-225 300-231 300-237 300-244 300-250 300-256 300-262 300-275 300-281 300-287 300-300 300-306 300-312 300-315 300-325 300-350 300-354 300-362 300-375 300-387 300-393 300-400 300-412 300-425 300-433 300-450 300-462 300-475 300-500 300-525 300-537 300-550 300-600 300-625 300-650 300-700 | 1/4 .453 1/2 5/8 3/4 7/8 .901 .938 1 1.023 1.062 1-1/8 1.188 1-1/4 1-3/8 1.438 1-1/2 1.562 1-5/8 1.653 1.688 1-3/4 1-7/8 1.938 2 2.062 2-1/8 2-1/4 2.312 2-3/8 2.44 2-1/2 2.562 2-5/8 2-3/4 2.835 2-7/8 3 3.062 3-1/8 3.149 3-1/4 3-1/2 3.562 3-5/8 3-3/4 3-7/8 3.938 4 4-1/8 4-1/4 4.331 4-1/2 4-5/8 4-3/4 5 5-1/4 5-3/8 5-1/2 6 6-1/4 6-1/2 7 | .268 .477 .53 .665 .796 .931 .959 1 1.066 1.091 1.13 1.197 1.262 1.33 1.461 1.528 1.594 1.658 1.725 1.755 1.792 1.858 1.989 2.056 2.122 2.186 2.251 2.382 2.45 2.517 2.584 2.648 2.714 2.781 2.914 2.98 3.051 3.182 3.248 3.315 3.348 3.446 3.71 3.755 3.841 3.974 4.107 4.174 4.24 4.365 4.49 4.571 4.74 4.865 4.995 5.26 5.52 5.65 5.77 6.27 6.53 6.79 7.315 | .015 .025 .035 .035 .035 .042 .042 .042 .042 .042 .05 .05 .05 .05 .05 .05 .05 .062 .062 .062 .062 .062 .062 .062 .062 .078 .078 .078 .078 .078 .078 .078 .093 .093 .093 .093 .093 .093 .109 .109 .109 .109 .109 .109 .109 .109 .109 .109 .109 .109 .109 .109 .109 .109 .109 .109 1/8 1/8 1/8 1/8 .156 .156 .156 |