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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RL Series Lock Rings
Unit of Measure
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Item #

Basic Lockring Size

Material Type

Material Specification

Heat Treat

Finish

C - Thickness

RL82SA12-E0433 N/A 82 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Cadmium Plate per ASTM B766, Type II, Class 8 N/A 0.193 in
RL90SA6-E0433 N/A 90 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Cadmium Plate per ASTM B766, Type II, Class 8 N/A 0.099 in
RL90SA12-E0433 N/A 90 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Cadmium Plate per ASTM B766, Type II, Class 8 N/A 0.193 in
RL100SA1512-E0433 N/A 100 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Cadmium Plate per ASTM B766, Type II, Class 8 N/A 0.193 in
RL124SA12-E0433 N/A 124 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Cadmium Plate per ASTM B766, Type II, Class 8 N/A 0.193 in
RL146SA6-E0433 N/A 146 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Cadmium Plate per ASTM B766, Type II, Class 8 N/A 0.099 in
RL160SA12-E0433 N/A 160 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Cadmium Plate per ASTM B766, Type II, Class 8 N/A 0.193 in
RL16SA5-E0137 N/A 16 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Zinc Plate per QQ-Z-325, Type II, Class 3 N/A 0.084 in
RL18SA6-E0137 N/A 18 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Zinc Plate per QQ-Z-325, Type II, Class 3 N/A 0.099 in
RL21SA4-E0137 N/A 21 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Zinc Plate per QQ-Z-325, Type II, Class 3 N/A 0.068 in
RL21SA6-E0137 N/A 21 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Zinc Plate per QQ-Z-325, Type II, Class 3 N/A 0.099 in
RL23SA7-E0137 N/A 23 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Zinc Plate per QQ-Z-325, Type II, Class 3 N/A 0.123 in
RL24SA5-E0137 N/A 24 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Zinc Plate per QQ-Z-325, Type II, Class 3 N/A 0.081 in
RL24SA7-E0137 N/A 24 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Zinc Plate per QQ-Z-325, Type II, Class 3 N/A 0.112 in
RL27SA8-E0137 N/A 27 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Zinc Plate per QQ-Z-325, Type II, Class 3 N/A 0.138 in
RL28SA5-E0137 N/A 28 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Zinc Plate per QQ-Z-325, Type II, Class 3 N/A 0.081 in
RL28SA6-E0137 N/A 28 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Zinc Plate per QQ-Z-325, Type II, Class 3 N/A 0.099 in
RL28SA8-E0137 N/A 28 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Zinc Plate per QQ-Z-325, Type II, Class 3 N/A 0.138 in
RL31SA9-E0137 N/A 31 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Zinc Plate per QQ-Z-325, Type II, Class 3 N/A 0.145 in
RL33SA6-E0137 N/A 33 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Zinc Plate per QQ-Z-325, Type II, Class 3 N/A 0.099 in
RL33SA7-E0137 N/A 33 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Zinc Plate per QQ-Z-325, Type II, Class 3 N/A 0.115 in
RL33SA9-E0137 N/A 33 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Zinc Plate per QQ-Z-325, Type II, Class 3 N/A 0.145 in
RL38SA7-E0137 N/A 38 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Zinc Plate per QQ-Z-325, Type II, Class 3 N/A 0.115 in
RL38SA9-E0137 N/A 38 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Zinc Plate per QQ-Z-325, Type II, Class 3 N/A 0.145 in
RL43SA7-E0137 N/A 43 N/A 4130 Steel or 4140 Steel or 8740 Steel N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) N/A 36-45 HRc per AMS 2759 N/A Zinc Plate per QQ-Z-325, Type II, Class 3 N/A 0.115 in
Unit of Measure
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