|AN||Inch||Stainless, 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, Hastelloy, Monel|
|Stainless||AN Overlapped, like an AN ring, but overlapped in the free state condition.|
|ANL||Inch||Stainless, 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.
|ANL||Metric||Stainless, Hastelloy, Monel|
|ANS||Metric||Flanged||Carbon||ANS, AN style ring with a flange on one side for placement in a housing groove, angled planish.|
|BN||Inch||Stainless, 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, Hastelloy, Monel|
|SH||Metric||Shim||Stainless||SH, no waves.|
|SV||Metric||Stainless||SV European equivalent of BN Ring.|
The TR series is used for repair of worn or oversized housings.