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RLR Type lockrings have been inactive for new design since 1969 and are superseded by the improved "RLRR" type lockrings.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 24
Material Type1 N/A 303 CRES

Material Specification

 N/A ASTM A581, ASTM A582 or AMS 5640

Heat Treat

 N/A None

Finish

 N/A Passivate per AMS2700

A - Dia +.005 -.004

 N/A 0.399 in

B - Dia +.004 -.003

 N/A 0.266 in

C - Thickness

 N/A 0.112 in

D - Dia

 N/A 0.343 in

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

 N/A 18.000

F - Nr. of Internal Serrations

 N/A 17.000

R - Radius

 N/A 0.180 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).