Howmet Fastening Systems
Howmet Fastening Systems
Phone: Sales +1 800 992 4444
Technical Support +1 310 784 6409
Email: HFSTechSupport@howmet.com
Website: www.hfs.howmet.com
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Unit of Measure

Specifications

Series

 N/A RLH()S3C

Basic Lockring Size

 N/A 21
Material Type1 N/A Inconel 718

Material Specification

 N/A AMS 5662

Heat Treat

 N/A 230 KSI UTS Min

Finish

 N/A Passivate per AMS-QQ-P-35

A - Dia +.005 -.004

 N/A 0.354 in

B - Thickness

 N/A 0.068 in

C - Dia

 N/A 0.298 in

D - Dia +.004 -.003

 N/A 0.213 in

E - Nr. of External Serrations

 N/A 12.000

F - Nr. of Internal Serrations

 N/A 13.000

Notes

N/A

    Unless otherwise specified
  • No specific angularity exists between internal and external serrations.
  • These lockrings will penetrate into most materials of hardness up to 40HRc
  • 1 The Preferred Alloy Steel Material is the 4130, 4140 or 8740 (SA code).