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Unit of Measure

Series

 N/A RL

Basic Lockring Size

 N/A 38
Material Type1 N/A 4130 Steel or 4140 Steel or 8740 Steel

Material Specification

 N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel)

Heat Treat

 N/A 36-45 HRc per AMS 2759

Finish

 N/A Zinc Plate per ASTM B633, Type II, Class Fe/Zn 12

A - Dia +.005 -.004

 N/A 0.624 in

B - Dia +.004 -.003

 N/A 0.468 in

C - Thickness

 N/A 0.115 in

D - Dia

 N/A 0.560 in

E - Nr. of External Serrations (Total Teeth), Approx

 N/A 36.000

F - Nr. of Internal Serrations

 N/A 26.000

N/A

  • Fillets rad 0.015 max.
  • Unless otherwise specified, break sharp edges 0.003-0.015, except serrations.
  • 1 The Preferred Alloy Steel Material is the 4130, 4140 or 8740 (SA code).