The upper attachment is attached to the inboard panel of the lavatory by three NAS623 fasteners which have the tensile strength of 2890 lb and shear strength of 2690 lb (Refer to MMPDS-06 Page 8-130 & 8-131), and bearing strength of D× t ×Fbru = 213.0 × 125.0 ×107000 = 2849 lbs. The through...