The 53119030 is a Hexagonal Cable Locknut with polyamide, glass-fibre reinforced construction. It is used where cable glands are attached but there is only a pass-through whole. When the cable gland is fixed in a thread, a higher protection against vibration can be attained with this locknut.
Metric connection thread according to EN 50262
For maximum mechanical stability
Supporting surface for spanner means scratches on housing are avoided