Howmet
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 |
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 Undrilled |
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 |
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 1.438 in |
R - Ring Dia +.005 -.004 |
N/A 0.354 in |
A Min. Full Thread Length |
N/A 0.688 in |
Notes |
N/A
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