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 5998-00-111-3644
NSN 5925-00-280-2273
NSN 5990-00-212-4316
NSN 5835-00-195-7508
NSN 6220-00-340-1313
NSN 6135-01-122-4448
NSN 5950-01-395-1757
NSN 5915-00-278-5561
NSN 5960-00-902-9039
NSN 6685-01-654-9744
NSN 6220-01-444-3972
NSN 4140-01-506-4547