Item # SFC250S2D30EO316, Stud - Ring Locked, Size-on-Size

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Unit of Measure

Series	N/A SFC S2
Stud Material	N/A 8740 Steel or 4130 Steel
Material Specification	N/A AMS 6322 or AMS-S-6758
Stud Heat Treat	N/A 26-34 HRc
Finish	N/A Cadmium Plate per AMS- QQ-P-416, Type II, Class 3
Special Part	N/A Yes
Special Part Material	N/A Nickel Cadmium Plate per AMS 2416
Lockring Drive Tool Part Number	N/A SFC25D16
Lockring Material	N/A 4130 Steel per AMS 6370, 4140 Steel per AMS 6382, or 8740 Steel per AMS 6322 FN-0208-80HT per ASTM B484, Grade I, Class C, Type I, (Powder Metal Nickel Steel)
Lockring Heat Treart	N/A 36-45 HRC for 4130 Steel, 4130 Steel, 4140 Steel, or 8740 Steel FN-02-80HT, Apparent Hardness 63 HRA Min
Nut End Type	N/A Drilled
T1 Nut End Thread Size AS8879	N/A 0.2500-28 UNJF-3A
T2 Nut End Thread Size AS8879	N/A 0.2500-20 UNJC 3A
T3 Thread Size AS8879	N/A 0.2500-20 UNJC 3B
B Min	N/A 0.375 in
C ±.020	N/A 0.610 in
D +.005 -.002	N/A 0.067 in
E	N/A 0.160 in
F - Min	N/A 0.623 in
G +.020 -.000	N/A 0.128 in
H - Min	N/A 0.750 in
J - Min	N/A 0.850 in
K +.003 -.000	N/A 0.337 in
M - Boss Dia Min	N/A 0.440 in
L ±.015	N/A 1.875 in
R - Ring Dia +.005 -.004	N/A 0.354 in
A Min. Full Thread Length	N/A 0.688 in

Series