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A fastening device formed from resilient wire stock into a shape resembling the letter ""U"", of which at least one of the prongs is straight for insertion into a hole; the other prong may have one or more curvatures along its length. It is designed to hold itself in place by its inherent spring action. See also CLIP, RETAINING and RING, RETAINING.
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III PART NAME ASSIGNED BY CONTROLLING AGENCY