1. A person or appliance that cleans a securement mechanism.
2. A piece of metal hardware to prevent nuts and bolts from loosening due to vibration. Types include:
split
,
toothed,
or cupped
(Belleville washer).
2. A piece of metal hardware to prevent nuts and bolts from loosening due to vibration. Types include:
split
, toothed
, or cupped
(Belleville washer).
