This is a clip, .19
A clip formed from resilient wire stock into a shape resembling the letter u, with each of the prongs having one or more curvatures along its length. It is designed to hold itself in place by its inherent spring action when fitted into the groove(s) or notch(es) of the item upon which a part, shaft, pin, or a like item is to be held in place. See also pin, lock; ring, retaining and clip, spring tension. For items specifically designed for aviaton, see clip(1), retaining, aviation.
NSN 6650-01-101-9023
NSN 5945-01-426-3021
NSN 6650-00-299-9681
NSN 6105-00-156-9084
NSN 6105-01-012-4176
NSN 5935-01-166-8590
NSN 5990-00-483-6623
NSN 5998-01-337-7073
NSN 5915-00-864-7178
NSN 5996-01-487-8782
NSN 5985-01-364-8174
NSN 6610-01-398-8092