Item # SF5902B502-13R, Stud - Locked In, Ring Locked, Serrated, High Strength

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Unit of Measure

Series	N/A SF(T)5902
Material	N/A 8740 Alloy Steel per AMS6322
Heat Treat	N/A 39 HRC ( 180 KSI min)
Finish	N/A Cadmium Plate per AMS2401
Military Part Number	N/A MS51992C502-13
Lockring - Low Strength Magnesium	N/A RL1997-102
Lockring - Aluminum	N/A RLRR1997-102
Lockring Part Number	N/A RLRR1997E102
Lockring Military Part Number	N/A MS51997E102P
Nut End Type	N/A Undrilled
A Nut End Thread Size	N/A 0.1900-32 UNJF-3A
Stud End type	N/A Recess
B Stud End Thread Size	N/A 0.3125-24
B Stud End Thread-Pitch Diameter	N/A 0.2884-0.2869 in
B Stud End Thread-Minor Diameter	N/A 0.2643-0.2559 in
C ±.020	N/A 0.386 in
D - Dia	N/A 0.189-0.186 in
E - Dia +.005 -.004	N/A 0.203 in
F - Dia +.007 -.002	N/A 0.230 in
G - Dia +.000 -.015	N/A 0.255 in
H - Dia Min	N/A 0.175 in
J	N/A 13.000
K +2 -1	N/A 102.000 º
M	N/A 0.205 in
N -Dia	N/A 0.174 in
T ±.015	N/A 0.469 in
V ±.016	N/A 0.128 Inch
P - Dia ±.010	N/A 0.137 in
L ±.015	N/A 0.812 in
Grip Length	N/A 0.343 in
Shank Length	N/A 0.095 in
Step Drill Part Number	N/A SDC328JC
Drive Wrench Number	N/A R1104W
Lockring Drive Tool Part Number	N/A SF5902-2D

Notes

N/A

Surface Roughness: ANSIB 46.1 except serrated collar. Machined surfaces to be 125 microinch Ra per
Threads: The stud end thread has a special pitch diameter and minor diameter which installs into A AS8879, class 3B tapped hole.
Concentricity: Shank of nut end shall be concentric with serrated collar within 0.006 FIR.
Fillets: R .030 Maximum
Edges: Edges broken .003-.015 umless otherwise specified
"T"dimension will terminate within3 pitches of serrated collar.