Item # RL21SS6, RL Series Lock Rings On Howmet Aerospace

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Unit of Measure

Series	N/A RL
Basic Lockring Size	N/A 21
Material Type¹	N/A 4340 Steel
Material Specification	N/A AMS-S-5000
Heat Treat	N/A 150-165 KSI UTS
Finish	N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 3
A - Dia +.005 -.004	N/A 0.354 in
B - Dia +.004 -.003	N/A 0.213 in
C - Thickness	N/A 0.099 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

Series