Howmet Aerospace - RLRR()SU Series Lock Rings - Oversized

Unit of Measure

Items	RLRR1816SU5 RLRR()SU Series Lock Rings - Oversized	RLRR2118SU6 RLRR()SU Series Lock Rings - Oversized	RLRR2421SU6 RLRR()SU Series Lock Rings - Oversized	RLRR2824SU7 RLRR()SU Series Lock Rings - Oversized	RLRR3128SU8 RLRR()SU Series Lock Rings - Oversized
Serration Size	N/A 1816	N/A 2118	N/A 2421	N/A 2824	N/A 3128
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 Hardness Shall Be 269 HB Min
Finish	N/A Passivate per AMS2700
A - Dia	N/A 0.255 in	N/A 0.298 in	N/A 0.343 in	N/A 0.400 in	N/A 0.452 in
B - Thickness	N/A 0.084 in	N/A 0.099 in	N/A 0.099 in	N/A 0.112 in	N/A 0.138 in
C	N/A 0.027 in	N/A 0.040 in	N/A 0.040 in	N/A 0.040 in	N/A 0.040 in
E - Dia +.004 -.003	N/A 0.161 in	N/A 0.189 in	N/A 0.213 in	N/A 0.266 in	N/A 0.323 in
F - Diameter	N/A 0.189 in	N/A 0.223 in	N/A 0.252 in	N/A 0.315 in	N/A 0.364 in
G - Dia +.005 -.004	N/A 0.308 in	N/A 0.354 in	N/A 0.399 in	N/A 0.468 in	N/A 0.514 in
H - Dia +.003 -.006	N/A 0.279 in	N/A 0.324 in	N/A 0.363 in	N/A 0.430 in	N/A 0.480 in
J - Nr. of Internal Serrations	N/A 14.000	N/A 16.000	N/A 13.000	N/A 17.000	N/A 20.000
K +1o -2o	N/A 102.000 º	N/A 90.000 º	N/A 102.000 º	N/A 86.000 º	N/A 102.000 º
M - Nr. of Full External Serrations Each Side	N/A 5.000	N/A 6.000	N/A 6.000	N/A 7.000	N/A 8.000
N	N/A 100.000 º	N/A 90.000 º	N/A 90.000 º	N/A 90.000 º	N/A 90.000 º
R - Radius, 2 Places	N/A 0.135 in	N/A 0.159 in	N/A 0.180 in	N/A 0.214 in	N/A 0.238 in
Notes	N/A Fillets R 0.015 max. Break all sharp edges 0.003-0.015, except serrations.
¹ The Preferred Alloy Steel Material is the 4130, 4140 or 8740 (SA code).