Rings / Radially Assembled Retaining Rings / DE


Product Image


Part Data

  • Housing or Shaft Shaft
  • Axial or Radial radial
  • Product Type Retaining Ring
  • Product Description E-Ring
  • Product Group Tapered Section Ring - Radially Installed
  • Axial Or Radial Assembly Radial
  • Internal Or External External
  • Inch Or Metric Metric
  • ST - Carbon Steel (Sae 1060-1090) Yes
  • SS - Stainless Steel (Ph15-7 Mo, Ph17-7) Yes
  • SG - Stainless Steel Din 1.4122 Yes
  • BC - Beryllium Copper Available Option
  • PB - Phosphor Bronze Available Option
  • SQ - Stainless Steel (17-7 Ph/C) No
  • SJ - Stainless Steel Aisi 302 No
  • SU - Stainless Steel Aisi 316 No
  • Special Material Grades Available Option
  • PD - Phosphate And Oil Yes
  • PA - Phosphate Coating Yes
  • PAL - Phosphate With Sealer Yes
  • HPD - Heavy Phosphate And Oil Yes
  • ZD - Zinc Dichromate Yes
  • Z3X - Trivalent Chromate Over Zinc Yes
  • ZF - Zinc Bright Yes
  • ZDL - Zinc Dichromate With Sealer Yes
  • HZDL - Heavy Zinc Dichromate With Sealer Yes
  • ZFF - Zinc Flash Yes
  • CF - Copper Flash Yes
  • Oil - Oil Over Steel No
  • G - Green No
  • R - Red No
  • PAG - Phosphate With Green Paint No
  • PAR - Phosphate With Red Paint No
  • PAD - Phosphate With Olive Drab No
  • FS - Magni 511 (Silver) No
  • FK - Magni 511 (Black) No
  • CS - Magni 565 (Silver) No
  • CK - Magni 565 (Black) No
  • ETM - Vibratory Deburr No
  • Vapor Degreased & Ultrasonic Cleaned (Stainless Fi No
  • SPP - Passivate No


  • Carbon Steel (SAE 1060-1090)
  • Stainless Steel (PH15-7 Mo, PH17-7)
  • Beryllium Copper
  • Special Material Grades
  • Stainless Steel DIN 1.4122
  • Phosphor Bronze


***For plated rings, add .002" (.05 mm) to the listed maximum thickness.

  • PA - Phosphate, Carbon Steel
  • PD - Phosphate and Oil, Carbon Steel
  • PAL - Phosphate with Sealer, Carbon Steel
  • HPD - Heavy Phosphate and Oil, Carbon Steel
  • ZD - Zinc Plating, Carbon Steel
  • ZF - Zinc Bright, Carbon Steel
  • ZDL - Zinc Dichromate with Sealer, Carbon Steel
  • HZDL - Heavy Zinc Dichromate with Sealer, Carbon Steel
  • Z3X - Trivalent Chromate over Zinc, Carbon Steel
  • ZFF - Zinc Flash, Carbon Steel
  • CF - Copper Flash, Carbon Steel


Radially Assembled, External E, Metric. Perhaps the most popular and widely used radial retaining ring is the E (so named because it is shaped like the letter E). Three prongs make contact with the bottom of the groove and provide a shoulder for effective retention of assemblies.

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CAD Models are provided for informational purposes only and may not represent the final part you receive.  Manufacturer assumes no responsibility for any such inconsistencies , and disclaims any liability to any party for any loss, damage, or disruption which may arise therefrom. Always contact Manufacturer for final measurements when specified in your design.


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