 
Bending stress

Pressure in rod

Pressure in clevis

Shear stress
Shear stress

where:
| F | force [lb] | |
| σ 0 | bending stress [psia] | |
| σ 0D | allowable bending stress [psi] | |
| M 0 | bending moment [lb ft] | |
| W 0 | bending section modulus [in 3 ] | |
| τ | shear stress [psi] | |
| τ D | allowable shear stress [psi] | |
| d | pin diameter [in] | |
| p 1 | pressure in rod [psia] | |
| p 2 | pressure in clevis [psi] | |
| p 1D | allowable pressure in rod [psi] | |
| p 2D | allowable pressure in clevis [psi] | |
| b | rod width [in] | |
| a | clevis arm width [in] |