A flat disc or plate, having a central hole, placed under the head or the nut at the end of a bolt, in order to distribute the pressure over the wood or other soft material.

seal consisting of a flat disk placed to prevent leakage

a flat disc with a hole in the center

a round, flat object with a hole in it, made of metal or rubber

A flat ring (made of soft material) that provides a seal against the flow of water in pipe joints.

A circular boss on the bearing surface or the top surface of a nut.

A piece of cast or wrought iron to distribute the pressure of a bolt-head or nut over timber. (Plate II., Fig. 6.)

Open round disc in the center of the top horizontal rods of a lampshade

A metal or felt disc that sits between two objects.

A flat rubber disc used to make two solid joins water-tight. Waste Pipes - These are the removable waste pipes used to connect the bar waste to the bar taps when using the Phoenix systems. Waste Socket - This is the fixed under-bar assembly that the waste pipes connect to. Water Flush - The non-sterilizing facility of the Phoenix system. Water Softener - A mechanical/chemical device that removes water hardness from water.

An elastomeric gasket used to seal off water flow in a compression style faucet and is known as a seat washer or bibb washer. A washer could also be a round, flat washer that seals off a hose assembly and faucet or hand held shower head joint.

(n) A round piece of material with a hole in the center, used with mechanical fasteners to improve the assembling surface, distribute load, and assist in locking nuts. Washers are specified by giving the inside diameter, outside diameter, thickness, type, and name.

Circular, small flat piece that goes under a nut or bolt head to increase the hold of the fastener or to widen the bearing surface.

A flat thin ring or a perforated plate used in joints or assemblies to ensure tightness or relieve friction.

A washer is a thin disk with a hole, usually in the middle. It is normally used to support the load of a threaded fastener. Other uses are as a spacer, spring (belleville, wave washers), wear pad, preload indicating device, and locking device.