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 5915-00-100-5239
NSN 5855-01-330-3669
NSN 5930-01-443-4500
NSN 5925-01-334-8402
NSN 5950-01-289-4224
NSN 6650-01-306-5097
NSN 5998-00-388-0259
NSN 5965-00-224-6034
NSN 5975-01-501-6362
NSN 4140-01-574-0676
NSN 6685-01-548-7787
NSN 4140-01-116-8141