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Unit of Measure

Series

N/A RL

Basic Lockring Size

N/A 21
Material Type1 N/A A286 CRES

Material Specification

N/A AMS 5731 or AMS 5732 or AMS 5734 or AMS 5737

Heat Treat

N/A 32-40 HRc

Finish

N/A Passivate per AMS2700

A - Dia +.005 -.004

N/A 0.354 in

B - Dia +.004 -.003

N/A 0.213 in

C - Thickness

N/A 0.068 in

D - Dia

N/A 0.298 in

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

N/A 24.000

F - Nr. of Internal Serrations

N/A 13.000

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).