This nut is used in several locations of certain CM hoists. According to the CM parts lists it is used as:
Loose End Nut in the gearbox of Next-Gen Lodestar Small Frame hoists (Models B, C & F) and in Classic Lodestar Small Frame hoists (1 per hoist)
Suspension Retainer Nut on Next-Gen Lodestar Large Frame hoists (1 per hoist)
Hook Block Screw Nut for the single chained lower hook of Prostar hoists (2 per hook block)
Refer to the Columbus McKinnon service manuals or our Parts Diagrams for specific quantities required.
CMCO Product safety warnings & precautions