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A one-piece metal item, usually tubular, flanged at one end, the other end open. It is used primarily for lining and reinforcing the edges of holes. The unflanged end is designed to be inserted through a hole and crimped to form a mating flange. Excludes GROMMET, METALLIC and eyelets which are components of pushbutton, turnbutton and turnlock type fastners.
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MATERIAL DOCUMENT AND CLASSIFICATION
AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL