palnut

palnut

palnut
The registered name for a thin, pressed-steel nut that has a shallow cup-shaped bottom surface. This nut is screwed tightly above an ordinary nut to prevent the latter from loosening
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
While the company has more than 2,000 standard fasteners (Palnuts, roof clips, stamped nuts, clamps) and is recognized by many interior engineers for the push nuts designed for instrument panel installation, the company is working toward more specifically engineered products for "attachment and closure solutions," as part of the firm's mission statement has it.