slot washer

slot washer

[′slät ‚wäsh·ər]
(design engineering)
A lock washer with an indentation on its edge through which a nail or screw can be driven to hold it in place.
A washer with a slot extending from its edge to the center hole to allow the washer to be removed without first removing the bolt.
References in periodicals archive ?
Limited Tenders are invited for 5/16 X #6-32 Hx Slot Washer Hd Nylok - 1000.