Which of the following mechanical connector(s) does not comply with rule T10?

1. Clevis pin with a minimum yield strength of 560 MPa secured with cotter pin
2. Socket head screw with all-metal torque prevailing nut
3. Hexagon Bolt with a minimum yield strength of 560 MPaCorrect
4. M6 titanium lens head bolt with 17 kN minimum tensile strength
5. Bolt with Nordlock spring locking washer and nylon locking nut