A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces
NSN 5915-01-411-9573
NSN 5895-00-016-4455
NSN 6620-01-262-9489
NSN 5930-01-214-6928
NSN 2925-00-081-3547
NSN 6110-01-487-2842
NSN 6220-01-641-4384
NSN 5945-01-474-9221
NSN 6145-01-278-5119
NSN 6110-01-330-2699
NSN 2925-00-631-1709
NSN 2925-01-123-5856