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RLR Type lockrings have been inactive for new design since 1969 and are superseded by the improved "RLRR" type lockrings. "RLR" type lockrings will be provided for existing designs, however, it will normally be advantageous from a price and delivery standpoint to substitute the "RLRR" type lockring (ref. MS51990).

Unit of Measure

Series

 N/A RLR

Basic Lockring Size

 N/A 31
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 269 HB Min

Finish

 N/A Passivate per AMS2700

A - Dia +.005 -.004

 N/A 0.514 in

B - Dia +.004 -.003

 N/A 0.375 in

C - Thickness

 N/A 0.145 in

D - Dia

 N/A 0.452 in

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

 N/A 23.000

F - Nr. of Internal Serrations

 N/A 23.000

R - Radius

 N/A 0.236 in

N/A

  • Fillets rad 0.015 max.
  • Unless otherwise specified, break sharp edges 0.003-0.015, except serrations.
  • Drawing symbols and tolerance per ANSI Y14.5
  • 1 The Preferred Alloy Steel Material is the 4130, 4140 or 8740 (SA code).