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 RLRR

Basic Lockring Size

 N/A 24
Material Type1 N/A A286 CRES

Material Specification

 N/A AMS 5731 or AMS 5732 or AMS 5734 or AMS 5737

Heat Treat

 N/A 269 HB Min

Finish

 N/A Passivate per AMS2700

A - Dia ±.005

 N/A 0.343 in

B - Thickness ±.005

 N/A 0.112 in

C ±.005

 N/A 0.040 in

E - Dia +.004 -.003

 N/A 0.266 in

F - Diameter

 N/A 0.315 in

G - Dia +.005 -.004

 N/A 0.399 in

H - Dia +.003 -.006

 N/A 0.363 in

J - Nr. of Internal Serrations

 N/A 17.000

K +1º -2º

 N/A 86.000 º

M - Nr. of External Serrations (Total Teeth; Both Segments)

 N/A 12.000

N

 N/A 90.000 º

R - Radius, 2 Places

 N/A 0.180 in

Notes

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).