Ring Types

 

Series	Inch/Metric		Material	Ring Description
AN	Inch		Stainless, Carbon, Hastelloy, Monel	AN rings have corrugations that face inward. They are open in the free state, so that when installed inside a bore, the ring conforms to the bore and is self-retaining. AN rings are designed to fit outside a nominal circumference.
AN	Metric		Stainless, Carbon, Hastelloy, Monel
AN Over-lapped			Stainless	AN Overlapped, like an AN ring, but overlapped in the free state condition.
ANL	Inch		Stainless, Carbon, Hastelloy, Monel	ANL rings are light-duty versions of AN rings. The material that is used is very thin, so ANL rings do not maintain a circular shape in their free state. All ring .004 inch thick martial.
ANL	Metric		Stainless, Carbon, Hastelloy, Monel
ANLT	Metric	Tabbed	Stainless, Carbon, Hastelloy, Monel	ANLT, tabbed version of the ANL ring to prevent ring from walking out.
ANS	Metric	Flanged	Carbon	ANS, AN style ring with a flange on one side for placement in a housing groove, angled planish.
ANT	Inch	Tabbed	Stainless	ANT, Tabbed version of the AN ring to prevent ring from walking out.
ANT	Metric	Tabbed	Stainless
BN	Inch		Stainless, Carbon, Hastelloy, Monel	BN rings feature corrugations that face outward. They are designed to have a free state diameter smaller than the shaft diameter over which they will be installed. BN rings are cut to fit inside a nominal circumference.
BN	Metric		Stainless, Carbon, Hastelloy, Monel
CRSV	Metric		Stainless	CRSV, Crown Ring with fingers, made for press tooling, provide low assembly forces over a broad tolerance range.
CRHV	Metric		Stainless	CRHV, Crown ring with fingers facing inward.
HVD	Metric		Stainless, Carbon	AN ring with two or more bands of waves.
SH	Metric	Shim	Stainless, Carbon	SH, no waves.
SHT	Metric	Tabbed	Stainless, Carbon	SHT, no waves tabbed.
SV	Metric		Stainless	SV European equivalent of BN Ring.
SVB	Metric	Blisters	Stainless, Carbon	BN style ring with blisters, rather than waves.
SVD	Metric		Stainless, Carbon	SVD, BN ring with two or more bands of waves.
SVDF	Metric		Stainless	SVDF, BN Ring with two or more bands of waves with an outward flange, usually curled as AN for assembly reasons.
SVM	Metric		Stainless	SVM, BN style ring with multi rows.
TR	Inch		Stainless	The TR series is used for repair of worn or oversized housings. See the section of the website called "Repair/Refurbish" for a full list of TR Rings and purchasing information.

 

 

USA TOLERANCE RINGS
85 Route 31 North, Pennington, New Jersey 08534
phone:609-745-5000; fax:609-745-5012