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RLR Type lockrings have been inactive for new design since 1969 and are superseded by the improved "RLRR" type lockrings.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 72
Material Type1 N/A 4130 Steel or 4140 Steel

Material Specification

 N/A AMS-S-5000, AMS 6382, AMS 6349 or AMS 5626

Heat Treat

 N/A 160-180 KSI UTS

Finish

 N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 3

A - Dia +.005 -.004

 N/A 1.170 in

B - Dia +.004 -.003

 N/A 0.908 in

C - Thickness

 N/A 0.176 in

D - Dia

 N/A 1.078 in

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

 N/A 31.000

F - Nr. of Internal Serrations

 N/A 38.000

R - Radius

 N/A 0.551 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).