Self-Locking External Retaining Rings

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System of Measurement

Retaining Ring Style

Material

Ring OD

Ring ID

Ring Thickness

Finish

Corrosion-Resistant Coated

Nickel Plated

Phosphate Coated

Zinc Plated

Zinc Yellow-Chromate Plated

Nut Type

Push Nut Shape

Magnetic Properties

May Be Mildly Magnetic

REACH

Hardness

RoHS

Minimum Hardness

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Performance

Color

Minimum Installation Depth

Insert Material

Passivation

Thrust Load Capacity

Length

183 Products

Push-On External Retaining Rings


Style A	Style B	Style C

No groove needed—these rings grip the shaft on their own. They won't handle as much force as rings in grooves, however, so only use them with light loads. For one-time use only. Push onto the end of the shaft, or use a push nut installation tool. Use on unhardened shafts softer than the ring.

Style A—Our go-to push-on rings. The outer ring is curved and the teeth are individually stamped, which gives the rings higher holding power than other push-on rings. Commonly used in drills and steering wheels.

Style B—The teeth on these rings point upward and are slightly flexible, which accommodates a larger range of shaft and rod diameters, but reduces holding power. They are easier to install than Style A rings and commonly used to secure emblems and wheels in light-load applications.

Style C—These rings form an interference grip by having a smaller ID than the shaft or rod OD. Their low profile fits in spots with tight clearance. Commonly used on conveyor roller systems and small electronics.

Phosphate-Coated Carbon Steel and Black-Oxide Carbon Steel—The most popular choice, these are strong and wear resistant. Their finish adds some corrosion resistance, but only to minimal dampness.

Zinc-Yellow-Chromate-Plated Carbon Steel and Zinc-Plated Carbon Steel—These rings are strong with good wear resistance. They provide some corrosion resistance, but not as much as stainless steel rings.

18-8 Stainless Steel—The choice for wet and outdoor environments. These rings resist rust, but they aren't as strong as carbon steel.

15-7 PH Stainless Steel—Combine strength with corrosion resistance. While harder than most stainless steel rings, these will dent and scratch easier than carbon steel ones.

		Ring
	For OD	OD	Thk.	Ht.	Min. Hardness	Min. Installation Dp.	Pkg. Qty.		Pkg.
Style A







				Phosphate-Coated Carbon Steel

				3/32"	21/64"	0.01"	1/32"	Not Rated	0.058"	100	98430A114	00000


				1/8"	3/8"	0.01"	1/32"	Not Rated	0.058"	100	98430A116	0000
				5/32"	13/32"	0.01"	1/32"	Not Rated	0.058"	100	98430A119	0000
				3/16"	29/64"	0.01"	1/32"	Not Rated	0.062"	100	98430A118	0000
				1/4"	17/32"	0.015"	3/64"	Rockwell C47	0.074"	100	98430A120	0000
				5/16"	19/32"	0.015"	3/64"	Rockwell C47	0.074"	100	98430A132	0000
				3/8"	21/32"	0.015"	3/64"	Rockwell C47	0.074"	100	98430A134	0000
				7/16"	3/4"	0.015"	3/64"	Rockwell C47	0.09"	100	98430A136	00000
				1/2"	53/64"	0.015"	3/64"	Rockwell C47	0.108"	100	98430A138	00000
				9/16"	57/64"	0.015"	3/64"	Rockwell C47	0.108"	50	98430A161	0000
				5/8"	61/64"	0.015"	3/64"	Rockwell C47	0.108"	50	98430A140	0000


				3/4"	1 5/64"	0.015"	3/64"	Rockwell C47	0.108"	50	98430A152	00000
				7/8"	1 13/64"	0.015"	3/64"	Rockwell C47	0.108"	25	98430A154	0000
				1"	1 21/64"	0.015"	3/64"	Rockwell C47	0.108"	25	98430A156	0000
				3 mm	8 mm	0.25 mm	—	Rockwell C45	1.5 mm	100	92133A104	0000
				4 mm	9 mm	0.25 mm	—	Rockwell C45	2 mm	100	92133A105	0000
				5 mm	10 mm	0.25 mm	—	Rockwell C45	2 mm	100	92133A106	0000
				6 mm	11 mm	0.25 mm	—	Rockwell C45	2.5 mm	100	92133A107	0000
				7 mm	12 mm	0.25 mm	—	Rockwell C45	2.5 mm	100	92133A108	0000
				8 mm	13 mm	0.25 mm	—	Rockwell C45	2.5 mm	100	92133A109	0000
				9 mm	14 mm	0.3 mm	—	Rockwell C45	2.5 mm	100	92133A111	00000


				10 mm	16 mm	0.3 mm	—	Rockwell C45	3 mm	100	92133A112	00000
				12 mm	18 mm	0.3 mm	—	Rockwell C45	3 mm	100	92133A113	00000
				14 mm	20.5 mm	0.3 mm	—	Rockwell C45	3 mm	100	92133A114	00000
				15 mm	23 mm	0.5 mm	—	Rockwell C45	3 mm	25	92133A101	0000
				16 mm	24.5 mm	0.4 mm	—	Rockwell C45	3 mm	50	92133A115	00000
				17 mm	26 mm	0.5 mm	—	Rockwell C45	3.5 mm	25	92133A102	0000
				18 mm	27 mm	0.4 mm	—	Rockwell C45	3.5 mm	50	92133A116	00000
				20 mm	29 mm	0.5 mm	—	Rockwell C45	3.5 mm	50	92133A117	00000
				22 mm	31 mm	0.5 mm	—	Rockwell C45	3.5 mm	50	92133A118	00000
				25 mm	34 mm	0.5 mm	—	Rockwell C45	4 mm	25	92133A103	00000




						Zinc-Yellow-Chromate-Plated Carbon Steel

						3/32"	21/64"	0.01"	1/32"	Rockwell C48	0.058"	100	94807A114	00000


						1/8"	3/8"	0.01"	1/32"	Rockwell C48	0.058"	100	94807A115	00000
						5/32"	13/32"	0.01"	1/32"	Rockwell C48	0.058"	100	94807A116	00000
						3/16"	29/64"	0.01"	1/32"	Rockwell C48	0.062"	100	94807A117	00000
						1/4"	17/32"	0.015"	3/64"	Rockwell C48	0.074"	100	94807A118	00000
						5/16"	19/32"	0.015"	3/64"	Rockwell C48	0.074"	50	94807A119	00000
						3/8"	21/32"	0.015"	3/64"	Rockwell C48	0.074"	50	94807A121	00000
						7/16"	3/4"	0.015"	3/64"	Rockwell C48	0.09"	50	94807A122	00000
						1/2"	53/64"	0.015"	3/64"	Rockwell C48	0.108"	50	94807A123	00000
						9/16"	57/64"	0.015"	3/64"	Rockwell C48	0.108"	50	94807A124	00000
5/8"						61/64"	0.015"	3/64"	Rockwell C48	0.108"	25	94807A125	00000


3/4"	1 5/64"					0.015"	3/64"	Rockwell C48	0.108"	25	94807A126	00000
7/8"	1 13/64"					0.015"	3/64"	Rockwell C48	0.108"	25	94807A127	00000
1"	1 21/64"	0.015"				3/64"	Rockwell C48	0.108"	25	94807A128	00000




		Zinc-Plated Carbon Steel

		3 mm	8 mm			0.25 mm	—	Rockwell C45	1.5 mm	100	96415A317	00000


		4 mm	9 mm			0.25 mm	—	Rockwell C45	2 mm	100	96415A318	00000
		5 mm	10 mm			0.25 mm	—	Rockwell C45	2 mm	100	96415A319	00000
		6 mm	11 mm			0.25 mm	—	Rockwell C45	2.5 mm	100	96415A321	00000
		7 mm	12 mm			0.25 mm	—	Rockwell C45	2.5 mm	50	96415A322	00000
		10 mm	16 mm			0.3 mm	—	Rockwell C45	3 mm	50	96415A323	00000
		12 mm	18 mm			0.3 mm	—	Rockwell C45	3 mm	50	96415A324	00000
		16 mm	24.5 mm			0.4 mm	—	Rockwell C45	3 mm	10	96415A325	0000
		20 mm	29 mm			0.5 mm	—	Rockwell C45	3.5 mm	10	96415A326	00000
		22 mm	31 mm			0.5 mm	—	Rockwell C45	3.5 mm	10	96415A327	00000




						15-7 PH Stainless Steel

						3/32"	21/64"	0.01"	1/32"	Not Rated	0.058"	5	97622A101	0000


						1/8"	3/8"	0.01"	1/32"	Not Rated	0.058"	5	97622A102	0000
						5/32"	13/32"	0.01"	1/32"	Not Rated	0.058"	5	97622A104	0000
						3/16"	29/64"	0.01"	1/32"	Not Rated	0.062"	5	97622A107	0000
						1/4"	17/32"	0.01"	1/32"	Rockwell C44	0.074"	5	97622A111	0000
						5/16"	19/32"	0.01"	1/32"	Rockwell C44	0.074"	5	97622A116	0000
						3/8"	21/32"	0.01"	1/32"	Rockwell C44	0.074"	5	97622A121	0000
						7/16"	3/4"	0.015"	3/64"	Rockwell C44	0.09"	5	97622A123	0000
						1/2"	53/64"	0.015"	3/64"	Rockwell C44	0.108"	5	97622A126	0000
						9/16"	57/64"	0.015"	3/64"	Rockwell C44	0.108"	5	97622A128	0000
						5/8"	61/64"	0.015"	3/64"	Rockwell C44	0.108"	5	97622A130	00000


						3/4"	1 5/64"	0.015"	3/64"	Rockwell C44	0.108"	5	97622A132	0000
						7/8"	1 13/64"	0.015"	3/64"	Rockwell C44	0.108"	5	97622A134	00000
						1"	1 21/64"	0.015"	3/64"	Rockwell C44	0.108"	5	97622A137	00000
						3 mm	8 mm	0.25 mm	—	Rockwell C44	1.5 mm	10	96415A312	00000
				5 mm		10 mm	0.25 mm	—	Rockwell C44	2 mm	5	96415A313	00000
				6 mm	11 mm	0.25 mm	—	Rockwell C44	2.5 mm	5	96415A314	00000
				9 mm	14 mm	0.3 mm	—	Rockwell C44	2.5 mm	5	96415A315	00000
				10 mm	16 mm	0.3 mm	—	Rockwell C44	3 mm	5	96415A316	00000


				Style B







								Phosphate-Coated Carbon Steel

								1/16"	3/16"	—	1/32"	Rockwell C38	0.25"	200	94807A015	00000


								3/32"	3/16"	—	1/32"	Rockwell C38	0.25"	200	94807A019	00000
								3/16"	7/16"	—	1/16"	Rockwell C30	0.25"	100	94807A111	0000
								5/16"	5/8"	—	1/16"	Rockwell C30	0.25"	100	94807A112	00000
								3/8"	3/4"	—	3/32"	Rockwell C38	0.25"	50	94807A031	00000
5/8"								1"	—	5/64"	Rockwell C38	0.25"	50	94807A035	00000
4 mm	11.1 mm							—	1.5 mm	Rockwell C38	6.5 mm	100	96415A124	00000




								Zinc-Plated Carbon Steel

								1/8"	3/8"	—	3/64"	Rockwell C38	0.25"	200	94807A024	00000


								5/32"	7/16"	—	3/64"	Rockwell C38	0.25"	25	94807A025	00000
								3/16"	7/16"	—	1/16"	Rockwell C38	0.25"	200	94807A026	00000
								7/32"	17/32"	—	5/64"	Rockwell C38	0.25"	200	94807A027	00000
								1/4"	17/32"	—	1/16"	Rockwell C38	0.25"	200	94807A029	00000
								1/4"	15/16"	—	3/32"	Rockwell C13	—	50	94807A800	00000
								5/16"	5/8"	—	1/16"	Rockwell C38	0.25"	100	94807A030	00000
								5/16"	15/16"	—	7/64"	Rockwell C13	—	50	94807A810	00000
		3/8"						3/4"	—	3/32"	Rockwell C30	0.25"	50	94807A113	00000
		3/8"	15/16"					—	3/32"	Rockwell C13	—	50	94807A820	00000
		7/16"	7/8"					—	3/32"	Rockwell C38	0.25"	50	94807A032	00000


		1/2"	1"					—	7/64"	Rockwell C38	0.25"	25	94807A034	00000
		6 mm	13.5 mm					—	1.8 mm	Rockwell C38	6.5 mm	100	96415A128	00000




								18-8 Stainless Steel

								1/4"	17/32"	—	5/64"	Rockwell C30	0.25"	50	97200A512	00000




										Black-Oxide Carbon Steel

										1 mm	4 mm	—	1.3 mm	Rockwell C47	1.5 mm	50	96415A328	0000


										1.5 mm	5 mm	—	1.3 mm	Rockwell C47	1.5 mm	100	96415A110	00000
										2 mm	7 mm	—	1.7 mm	Rockwell C47	2 mm	200	96415A120	00000
										2.5 mm	8.5 mm	—	1.7 mm	Rockwell C47	2 mm	50	96415A329	0000
										3 mm	10.5 mm	—	2.2 mm	Rockwell C47	2.5 mm	100	96415A125	00000
										3.5 mm	11 mm	—	2.2 mm	Rockwell C47	2.5 mm	100	96415A140	00000
										4 mm	12 mm	—	2.2 mm	Rockwell C47	2.5 mm	100	96415A150	00000
										4.5 mm	13 mm	—	2.5 mm	Rockwell C47	3 mm	50	96415A331	0000
				5 mm						14 mm	—	2.5 mm	Rockwell C47	3 mm	100	96415A160	00000
				5.5 mm	14 mm					—	2.5 mm	Rockwell C47	3 mm	25	96415A332	0000
				6 mm	16 mm					—	3 mm	Rockwell C47	3.5 mm	100	96415A170	00000


				7 mm	17 mm	—				3 mm	Rockwell C47	3.5 mm	100	96415A180	00000
				8 mm	18 mm	—	3 mm			Rockwell C47	3.5 mm	100	96415A190	00000
				10 mm	20 mm	—	3 mm			Rockwell C47	3.5 mm	25	96415A210	0000


				Style C
				Style C






										18-8 Stainless Steel

3/32"										7/32"	—	1/32"	Rockwell C30	0.25"	50	97200A010	0000


1/8"	7/32"									—	1/32"	Rockwell C30	0.25"	50	97200A020	00000
1/8"	1/4"									—	1/32"	Rockwell C30	0.25"	50	97200A025	0000
1/8"	21/64"									—	1/32"	Rockwell C27	—	50	97200A100	0000
5/32"	17/64"									—	1/32"	Rockwell C30	0.25"	50	97200A110	0000
3/16"	5/16"									—	1/32"	Rockwell C30	0.25"	50	97200A120	0000
3/16"	3/8"									—	1/32"	Rockwell C30	0.25"	50	97200A140	00000
1/4"	5/16"									—	1/32"	Rockwell C30	0.25"	50	97200A150	00000
1/4"	7/16"									—	1/16"	Rockwell C27	—	50	97200A200	00000
5/16"	7/16"									—	1/32"	Rockwell C30	0.25"	50	97200A310	00000
3/8"	5/8"									—	1/32"	Rockwell C30	0.25"	50	97200A410	00000


7/16"	37/64"									—	1/32"	Rockwell C30	0.25"	50	97200A440	00000
1/2"	3/4"									—	1/32"	Rockwell C30	0.25"	50	97200A450	00000

Self-Locking External Retaining Rings

No groove needed. These rings are up to 50% thicker than standard rings to grip shafts on their own. They can't handle as much force as rings in grooves, however, so use them in applications with lighter loads. Open with retaining ring pliers, pass over the end of a shaft, then release them to spring into a groove.

Ring ID is measured with the ring uninstalled.

Phosphate-Coated Carbon Steel—The most popular choice, these are strong and wear resistant. Their finish adds some corrosion resistance, but only to minimal dampness.

15-7 PH Stainless Steel—Combine strength with corrosion resistance. While harder than most stainless steel rings, these will dent and scratch easier than carbon steel ones.

	Retaining Rings									Pliers
		Ring
	For OD	ID	Thk.	Thrust Load Cap., lbf	Min. Hardness	Specs. Met.	Pkg. Qty.		Pkg.		Each
Phosphate-Coated Carbon Steel



		1/8"	0.12"	0.025"	10	Rockwell C46	ASME B18.27.5	50	90341A101	00000	5449A79	000000


		3/16"	0.181"	0.035"	20	Rockwell C46	ASME B18.27.5	50	90341A102	0000	5449A79	00000
		1/4"	0.238"	0.035"	20	Rockwell C46	ASME B18.27.5	50	90341A103	00000	5449A79	00000
		5/16"	0.298"	0.042"	20	Rockwell C46	ASME B18.27.5	50	90341A104	00000	5449A79	00000
		3/8"	0.354"	0.042"	30	Rockwell C46	ASME B18.27.5	50	90341A105	00000	5449A79	00000
		7/16"	0.412"	0.05"	40	Rockwell C46	ASME B18.27.5	50	90341A106	00000	5449A81	00000
		1/2"	0.47"	0.05"	40	Rockwell C46	ASME B18.27.5	25	90341A107	0000	5449A81	00000
		5/8"	0.593"	0.062"	60	Rockwell C46	ASME B18.27.5	25	90341A108	00000	5449A81	00000
		3/4"	0.706"	0.062"	60	Rockwell C46	ASME B18.27.5	25	90341A109	00000	5449A81	00000


		15-7 PH Stainless Steel



				1/8"	0.12"	0.025"	10	Rockwell C44	ASME B18.27.5	5	98368A110	0000	5449A79	00000


				3/16"	0.181"	0.035"	20	Rockwell C44	ASME B18.27.5	5	98368A120	0000	5449A79	00000
				1/4"	0.238"	0.035"	20	Rockwell C44	ASME B18.27.5	5	98368A130	0000	5449A79	00000
				5/16"	0.298"	0.042"	20	Rockwell C44	ASME B18.27.5	5	98368A140	00000	5449A79	00000
				3/8"	0.354"	0.042"	30	Rockwell C44	ASME B18.27.5	5	98368A150	00000	5449A79	00000
				7/16"	0.412"	0.05"	40	Rockwell C44	ASME B18.27.5	1	98368A160	0000	5449A81	00000
				1/2"	0.47"	0.05"	40	Rockwell C44	ASME B18.27.5	1	98368A170	0000	5449A81	00000
				5/8"	0.593"	0.062"	60	Rockwell C44	ASME B18.27.5	1	98368A180	0000	5449A81	00000
				3/4"	0.706"	0.062"	60	Rockwell C44	ASME B18.27.5	1	98368A190	0000	5449A81	00000

Retaining Caps


1050 Spring Steel	Plastic

400 Series Stainless Steel

Use these caps to hold components in place and protect shaft ends. Install these caps with a hammer or push them into place by hand.

Corrosion-Resistant Coated—Corrosion-resistant-coated finish is more corrosion resistant in wet environments than zinc-plated finish. Also known as black luster.

Nickel Plated—Nickel-plated finish has excellent corrosion resistance and a decorative appearance.

Zinc Plated—Zinc-plated finish is corrosion resistant in wet environments.

	For OD	OD	Ht.	Insert Material	Min. Hardness	Temp. Range, ° F	Pkg. Qty.		Pkg.
Black Corrosion-Resistant-Coated 1050 Spring Steel



		1/4"	9/16"	7/32"	Steel	Not Rated	—	5	97036A010	00000


		5/16"	5/8"	1/4"	Steel	Not Rated	—	5	97036A020	0000
		3/8"	3/4"	9/32"	Steel	Not Rated	—	5	97036A030	00000
		1/2"	15/16"	21/64"	Steel	Not Rated	—	5	97036A040	00000


		Nickel-Plated 1050 Spring Steel



				3/8"	3/4"	9/32"	Steel	Rockwell C13	—	25	94803A031	0000


				Zinc-Plated 1050 Spring Steel



						5/16"	9/16"	19/64"	Steel	Rockwell C44	—	25	94803A320	0000


						1/2"	15/16"	21/64"	Steel	Rockwell C38	—	10	94803A050	0000
						5/8"	1 3/16"	27/64"	Steel	Rockwell C38	—	10	94803A060	0000


						400 Series Stainless Steel



								1/8"	27/64"	1/8"	18-8 Stainless Steel	Rockwell C49	—	10	94802A100	0000


								3/16"	1/2"	5/32"	18-8 Stainless Steel	Rockwell C49	—	25	94802A110	0000
								1/4"	41/64"	13/64"	18-8 Stainless Steel	Rockwell C49	—	10	94802A120	0000
								3/8"	25/32"	15/64"	18-8 Stainless Steel	Rockwell C49	—	10	94802A140	00000


								Black Plastic



										5/32"	21/32"	23/64"	Steel	Rockwell C45	-90 to 150	50	90310A325	00000


										3/16"	21/32"	23/64"	Steel	Rockwell C45	-90 to 150	50	90310A335	00000
										1/4"	27/32"	23/64"	Steel	Rockwell C45	-90 to 150	50	90310A345	00000
										5/16"	27/32"	29/64"	Steel	Rockwell C45	-90 to 150	25	90310A355	00000
										3/8"	55/64"	15/32"	Steel	Rockwell C45	-90 to 150	25	90310A378	0000
										7/16"	53/64"	7/16"	Steel	Rockwell C45	-90 to 150	10	90310A372	0000
										1/2"	1 5/16"	41/64"	Steel	Rockwell C45	-90 to 150	10	90310A373	0000
										5/8"	1 5/16"	41/64"	Steel	Rockwell C45	-90 to 150	10	90310A374	0000


										White Plastic



												1/8"	21/32"	23/64"	Steel	Rockwell C45	-90 to 150	10	90310A315	00000


3/16"												21/32"	11/32"	Steel	Rockwell C45	-90 to 150	25	90310A371	0000
3/8"	55/64"											15/32"	Steel	Rockwell C45	-90 to 150	25	90310A377	0000


Red Plastic



												5/16"	55/64"	15/32"	Steel	Rockwell C45	-90 to 150	25	90310A376	0000

Rectangular Push Nuts for Unthreaded Shafts

Also known as flat-style speed nuts, these have a large surface to distribute loads better than standard and flanged push nuts. Use them on unhardened shafts that are softer than the push nut. The nut bites into the metal to form an interference grip.

	Wd.	Ht.	Lg.	Min. Hardness	Pkg. Qty.		Pkg.
Black Phosphate-Coated 1050 Spring Steel



	1/16"	7/32"	0.028"	3/8"	Rockwell C41	100	90528A121	000000


	3/32"	7/32"	0.087"	7/16"	Rockwell C41	50	90528A136	00000
	3/32"	1/4"	0.039"	7/16"	Rockwell C41	100	90528A127	00000
	1/8"	5/16"	0.028"	9/16"	Rockwell C41	100	90528A124	00000
	5/32"	3/8"	0.033"	9/16"	Rockwell C41	100	90528A122	00000
	5/32"	7/16"	0.087"	3/4"	Rockwell C41	50	90528A123	00000
	3/16"	3/8"	0.075"	5/8"	Rockwell C41	100	90528A125	00000
	1/4"	7/16"	0.063"	5/8"	Rockwell C41	100	90528A126	00000
	5/16"	1/2"	0.067"	11/16"	Rockwell C41	100	90528A073	00000

Flanged Push Nuts for Unthreaded Shafts

The wide flange provides better load distribution than standard push nuts and can be used to cover oversized holes. Also known as thread cutting nuts. Use them on unhardened shafts that are softer than the push nut. The nut bites into the metal to form an interference grip.

	Hex Wd.	Ht.	Flange Dia.	Min. Hardness	Pkg. Qty.		Pkg.
Zinc-Plated 1050 Spring Steel



	1/8"	5/16"	3/16"	7/16"	Rockwell C41	100	90533A131	00000


	1/8"	5/16"	13/64"	17/32"	Rockwell C41	100	90533A132	00000
	5/32"	3/8"	13/64"	9/16"	Rockwell C41	100	90533A150	00000
	3/16"	3/8"	7/32"	1/2"	Rockwell C41	100	90533A133	00000
	3/16"	3/8"	15/64"	5/8"	Rockwell C41	100	90533A134	00000
	1/4"	7/16"	15/64"	19/32"	Rockwell C41	100	90533A135	00000
	1/4"	7/16"	15/64"	11/16"	Rockwell C41	100	90533A136	00000
	5/16"	1/2"	5/16"	7/8"	Rockwell C41	50	90533A140	00000