Yes if you mean the castellated one that takesthe cotter pin-there is very low torque on them. Just don't overtighten or you will have s3erious problems.
The front spindle nut on a 1991 Honda Civic requires a 32mm axle nut socket.
Its a 30mm socket
should be 17mm
30mm
Spindle nuts very from 30mm to 34mm
36mm
35mm
a 32mm
try a 36mm
34mm
Driveaxle Hub Nut 159 ft-lbs.
2000 f150 fron axle nut