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Specifying Part Numbers
| Retaining Ring Series |
Internal |
External |
| Light Duty |
VH |
VS
|
| Light Duty* |
VHM |
VSM |
| Medium Duty |
WH |
WS |
| Medium Heavy Duty |
WHT |
WST |
| Heavy Duty |
WHM |
WSM |
| Snap Ring |
FHE |
FSE |
| Hoopster |
HH |
HS |
| Aerospace* |
EH |
ES |
| DIN Series |
DNH |
DNS |
| Snap Ring* |
FH |
FS |
| WaveRing |
WHW |
WSW |
| * Metric parts |
| Wave Spring Series |
Prefix |
| Standard Single-Turn |
SSR |
| Bearing Preload* |
SSB |
| Narrow Section Single-Turn |
SSR-N |
| Shim |
SSRS |
| Crest-to-Crest |
C |
| Crest-to-Crest* |
CM |
| Crest-to-Crest with Shim Ends |
CS |
| Crest-to-Crest with Shim Ends* |
CMS |
| WAVO |
RW |
| * Metric parts |
| Standard Finish |
Designation |
| Oil Dip |
None (Standard for Carbon Steel) |
| Vapor Degrease & Ultrasonic Clean |
None (Standard for Stainless Steel) |
| Special Finish |
Designation |
| Passivation |
PA |
| Black Oxide |
BA |
| Phosphate Coat |
PS |
| Cadmium Plate |
CD |
| Vibratory Deburr |
DV |
| See the
finishes
page for more information. |
| Standard Material |
Designation |
| Carbon Steel SAE 1070-1090 |
None |
| 302 Stainless Steel (Retaining Rings) |
S02 |
| 316 Stainless Steel (Retaining Rings) |
S16 |
| 17/7 PH C/CH900 Stainless Steel (Wave Springs) |
S17 |
| Special Material |
Designation |
| Inconel X-750 |
INX |
| A286 |
A86 |
| Beryllium Copper |
BEC |
| Phosphor Bronze |
PHB |
| Elgiloy |
LGY |
| See the
material table
for more information. |
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