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Unit of Measure

Series

RLRR()SU

Serration Size

8272
Material Type1 A286 CRES

Material Specification

AMS 5731 or AMS 5732 or AMS 5734 or AMS 5737

Heat Treat

Hardness Shall Be 269 HB Min

Finish

Passivate per AMS2700

A - Dia

1.232 in

B - Thickness

0.176 in

C

0.056 in

E - Dia +.004 -.003

0.908 in

F - Diameter

0.950 in

G - Dia +.005 -.004

1.326 in

H - Dia +.003 -.006

1.274 in

J - Nr. of Internal Serrations

38.000

K +1º -2º

102.000 º

M - Nr. of Full External Serrations Each Side

10.000

N

111.000 º

R - Radius, 2 Places

0.636 in
  • 1 The Preferred Alloy Steel Material is the 4130, 4140 or 8740 (SA code).