Special Features:

Drawing calls this a stop bolt pad; end item is a door

Properties:

An item made of material having elastic properties. it may have rigid mounting facilities such as a flange(s), sleeve(s), stud(s) or the like. it is designed to isolate or dampen shock and/or vibration of a continuous or intermittent origin and serve as a support for an item to be isolated. excludes mount, resilient, weapon system; spring (as modified); bumper, nonmetallic; bumper, rubber; bushing, nonmetallic; hydraulic and pneumatic shock absorbers, dashpots, grommets and shock pads.