IN Series Retaining Rings

American Ring True Manufacturing Solutions

IN Series - Internal Notched Constant Section Ring

Industry Equivalents

Display Units: inches | metric

Part Number	Application Diameter (B)	Groove Diameter (G)	Groove Width (W)	Groove Depth	Ring Diameter (D)	Ring Thickness (t)	Ring Radial Wall (b)
IN-175	44.5	47.19	1.73	1.37	47.70	1.57	3.96
IN-181	46.0	48.82	1.73	1.40	49.33	1.57	3.96
IN-185	47.0	49.83	1.73	1.42	50.34	1.57	3.96
IN-187	47.6	50.52	1.73	1.45	51.16	1.57	3.96
IN-193	49.2	52.22	1.73	1.50	52.86	1.57	3.96
IN-200	50.8	53.90	1.73	1.55	54.53	1.57	3.96
IN-206	52.4	55.52	2.18	1.57	55.91	1.98	4.34
IN-212	54.0	57.18	2.18	1.60	57.68	1.98	4.34
IN-218	55.6	58.88	2.18	1.65	59.39	1.98	4.34
IN-225	57.2	60.50	2.18	1.68	61.01	1.98	4.34
IN-231	58.7	62.23	2.18	1.75	62.74	1.98	4.34
IN-237	60.3	63.93	2.18	1.80	64.44	1.98	4.34
IN-244	62.0	65.63	2.18	1.83	66.14	1.98	4.34
IN-250	63.5	67.26	2.18	1.88	67.89	1.98	4.78
IN-253	64.3	68.10	2.18	1.91	68.73	1.98	4.78
IN-256	65.1	68.94	2.62	1.93	69.57	2.36	4.78
IN-262	66.7	70.64	2.62	1.98	71.27	2.36	4.78
IN-268	68.3	72.34	2.62	2.03	72.85	2.36	4.78
IN-275	69.9	74.02	2.62	2.08	74.78	2.36	4.78
IN-281	71.4	75.69	2.62	2.13	76.84	2.36	4.78
IN-287	73.0	77.50	2.62	2.24	78.38	2.36	5.16
IN-295	75.0	79.63	2.62	2.31	80.65	2.36	5.16
IN-300	76.2	80.82	2.62	2.31	81.84	2.36	5.16
IN-306	77.8	82.50	3.05	2.36	83.52	2.77	5.54
IN-312	79.4	84.20	3.05	2.41	85.17	2.77	5.54
IN-315	80.2	85.04	3.05	2.44	86.06	2.77	5.54
IN-325	82.6	87.53	3.05	2.49	88.60	2.77	5.54
IN-334	85.0	90.07	3.05	2.54	91.19	2.77	5.54
IN-347	88.1	93.35	3.05	2.62	94.51	2.77	5.94
IN-350	88.9	94.23	3.05	2.67	95.50	2.77	5.94
IN-354	90.0	95.38	3.05	2.69	96.65	2.77	5.94
IN-362	92.1	97.56	3.05	2.74	98.93	2.77	5.94
IN-375	95.3	100.94	3.05	2.84	102.36	2.77	6.35
IN-387	98.4	104.32	3.05	2.95	105.79	2.77	6.35
IN-393	100.0	106.02	3.05	3.00	107.54	2.77	6.35
IN-400	101.6	107.70	3.05	3.05	109.22	2.77	6.35
IN-412	104.8	110.87	3.05	3.05	112.52	2.77	6.35
IN-425	108.0	114.05	3.05	3.05	115.70	2.77	6.35
IN-433	110.0	116.10	3.05	3.05	117.88	2.77	6.35
IN-450	114.3	120.40	3.05	3.05	122.30	2.77	7.14
IN-462	117.5	123.57	3.05	3.05	125.48	2.77	7.14
IN-475	120.7	126.87	3.05	3.12	128.78	2.77	7.14
IN-500	127.0	133.60	3.05	3.30	135.64	2.77	7.14
IN-525	133.4	140.21	3.53	3.43	142.24	3.18	7.92
IN-537	136.5	143.51	3.53	3.51	145.67	3.18	7.92
IN-550	139.7	146.56	3.53	3.43	148.84	3.18	7.92
IN-575	146.1	152.91	3.53	3.43	155.45	3.18	7.92
IN-600	152.4	159.26	3.53	3.43	162.05	3.18	7.92
IN-625	158.8	165.86	4.42	3.56	168.66	3.96	8.71
IN-650	165.1	172.47	4.42	3.68	175.39	3.96	8.71
IN-662	168.3	175.90	4.42	3.81	178.94	3.96	8.71
IN-675	171.5	179.20	4.42	3.89	182.37	3.96	8.71
IN-700	177.8	185.80	4.42	4.01	189.10	3.96	8.71
IN-725	184.2	192.41	5.31	4.14	195.71	4.75	9.53
IN-750	190.5	199.14	5.31	4.32	202.57	4.75	9.53
IN-775	196.9	205.74	5.31	4.45	209.30	4.75	9.53
IN-800	203.2	212.34	5.31	4.57	216.03	4.75	11.10
IN-825	209.6	218.95	5.31	4.70	222.76	4.75	11.10
IN-850	215.9	225.55	5.31	4.83	229.49	4.75	11.10
IN-875	222.3	232.26	5.31	5.00	236.35	4.75	11.10
IN-900	228.6	238.86	5.31	5.13	242.93	4.75	11.10
IN-925	235.0	245.57	5.31	5.31	249.76	4.75	12.70
IN-950	241.3	252.22	5.31	5.46	256.54	4.75	12.70
IN-975	247.7	258.83	5.31	5.59	263.27	4.75	12.70
IN-1000	254.0	265.43	5.31	5.72	270.00	4.75	12.70

IN Series - Internal Notched Constant Section Ring

Industry Equivalents

American Ring National Headquarters

American Ring - Western Service Division

American Ring Manufacturing

Alternative Surface Grinding

National Headquarters