SAE AMS3678 Wear Rings | McMaster-Carr

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16 Products

High-Speed Wear Rings


	Profile


Rod Installation	Piston Installation

Made from PTFE, these wear rings have a slippery surface that allows rods to move at least three times faster than nylon wear rings.

Gap Size—Gap size is the maximum distance between the split ends of the ring while it is in use. Rings are closed when not in use.

	For Rod Sealing		For Piston Sealing
	For Rod Dia.	For Groove Dia.	For Bore Dia.	For Groove Dia.	Gap Size	Max. Speed, ft/sec	Temp. Range, ° F	Hardness	Color	Specs. Met		Each
Bronze-Filled PTFE







				For 0.250" Wide Grooves

				1 3/4"	2.000"	2"	1.750"	0.140"	13	-200 to 575	Durometer 65D (Extra Hard)	Brown	ASTM D4745, SAE AMS3678	1616N11	000000


				1 7/8"	2.125"	2 1/8"	1.875"	0.140"	13	-200 to 575	Durometer 65D (Extra Hard)	Brown	ASTM D4745, SAE AMS3678	1616N13	00000
				2"	2.250"	2 1/4"	2.000"	0.140"	13	-200 to 575	Durometer 65D (Extra Hard)	Brown	ASTM D4745, SAE AMS3678	1616N15	00000
				2 1/8"	2.375"	2 3/8"	2.125"	0.140"	13	-200 to 575	Durometer 65D (Extra Hard)	Brown	ASTM D4745, SAE AMS3678	1616N17	00000
				2 1/4"	2.500"	2 1/2"	2.250"	0.140"	13	-200 to 575	Durometer 65D (Extra Hard)	Brown	ASTM D4745, SAE AMS3678	1616N19	00000
				2 1/2"	2.750"	2 3/4"	2.500"	0.140"	13	-200 to 575	Durometer 65D (Extra Hard)	Brown	ASTM D4745, SAE AMS3678	1616N22	00000
				2 3/4"	3.000"	3"	2.750"	0.140"	13	-200 to 575	Durometer 65D (Extra Hard)	Brown	ASTM D4745, SAE AMS3678	1616N24	00000
				3"	3.250"	3 1/4"	3.000"	0.175"	13	-200 to 575	Durometer 65D (Extra Hard)	Brown	ASTM D4745, SAE AMS3678	1616N26	00000
				3 3/4"	4.000"	4"	3.750"	0.175"	13	-200 to 575	Durometer 65D (Extra Hard)	Brown	ASTM D4745, SAE AMS3678	1616N31	00000




						For 0.375" Wide Grooves

						1 3/4"	2.000"	2"	1.750"	0.140"	13	-200 to 575	Durometer 65D (Extra Hard)	Brown	ASTM D4745, SAE AMS3678	1616N12	00000


						2"	2.250"	2 1/4"	2.000"	0.140"	13	-200 to 575	Durometer 65D (Extra Hard)	Brown	ASTM D4745, SAE AMS3678	1616N16	00000
						2 1/4"	2.500"	2 1/2"	2.250"	0.140"	13	-200 to 575	Durometer 65D (Extra Hard)	Brown	ASTM D4745, SAE AMS3678	1616N21	00000
						2 3/4"	3.000"	3"	2.750"	0.140"	13	-200 to 575	Durometer 65D (Extra Hard)	Brown	ASTM D4745, SAE AMS3678	1616N25	00000
						3"	3.250"	3 1/4"	3.000"	0.175"	13	-200 to 575	Durometer 65D (Extra Hard)	Brown	ASTM D4745, SAE AMS3678	1616N27	00000
						3 1/4"	3.500"	3 1/2"	3.250"	0.175"	13	-200 to 575	Durometer 65D (Extra Hard)	Brown	ASTM D4745, SAE AMS3678	1616N29	00000
						3 3/4"	4.000"	4"	3.750"	0.175"	13	-200 to 575	Durometer 65D (Extra Hard)	Brown	ASTM D4745, SAE AMS3678	1616N32	00000