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Part Data

  • Housing or Shaft Shaft
  • Axial or Radial Radial
  • Shaft Diameter Ds 1.375 inches
  • Ds mm 34.90 mm
  • Groove Diameter Dg 1.2300 - 1.2350 inches
  • Groove Width W 0.046 - 0.050 inches
  • Groove Depth D 0.0720 inches
  • Free Diameter Df 1.203 - 1.219 inches
  • Thickness T *** 0.059 - 0.065 inches
  • Outside Diameter G 1.875 inches
  • Clearance Dia. Installed In Groove L2 1.920 inches
  • Weight Per 1000 Pcs. 15.400 lbs.
  • Edge Margin Y Min. inches
  • Hardness ST 47.0 - 52.0 HRC
  • Hardness SS 44.0 - 51.0 HRC
  • Hardness BC 37.0 - 43.0 HRC
  • Interchange Waldes Truarc X5133 137
  • Interchange IRR 1000 X137
  • Interchange Anderton N1500 X137
  • Interchange Mil Or Aero MS16633D X137
  • Interchange Din

Performance Data

  • Thrust Load Ring Safety Factor Of 3 Pr 4162 lbs.
  • Thrust Load Groove Safety Factor Of 2 Pg 2350 lbs.
  • R.P.M. Limits Standard Material RPM 4000

Tool Data

  • Standard Applicator (Flat) A-491
  • 45 Applicator Not Available
  • 90 Applicator Not Available
  • Offset Applicator Not Available


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


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 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 retentio

Custom solutions

Can’t find what you’re looking for in an existing product, need a modified version of one of our standard parts, or simply aren’t sure what part you need?

Submit your custom specifications

Need help? Contact our Engineering team


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.


More than Parts. A True Partnership.

Our passion is creating the best rings, springs, and clamps. Our mission is to make your work a success. We are here for you.