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Lock nut with nylon insert.

Nylon insert locking nut. Used as part of the shear bolt assembly, as well as other locations within the equipment.

Tecumseh fuel line clamp.

Screw, HH

Briggs & Stratton flywheel key. The flywheel key aligns the flywheel in the correct position on the crankshaft. If the engine stops suddenly due to hitting a hard object, the flywheel key shears in half to prevent damage to the engine. If the flywheel key is broken, the engine won't start.

Nut-Locking. The manufacturer has changed vendors and the part may vary in character. Some do not have a nylon insert, however the nut is a locking type.

Clamp-hose

Screw

SCREW PPH SEMS

Bolt (h=42.5mm)

Self Tapping Screw

Screw

Tecumseh flywheel key (woodruff key). The flywheel key aligns the flywheel in the correct position on the crankshaft. If the engine stops suddenly due to hitting a hard object, the flywheel key shears in half to prevent damage to the engine. If the flywheel key is broken, the engine won't start.

Curved washer

Toro lawn mower locking ring clip.
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