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 5915-00-234-0809
NSN 6320-00-646-3311
NSN 5855-01-175-2465
NSN 6130-01-152-9858
NSN 5950-01-443-6364
NSN 6645-01-653-7762
NSN 6650-01-113-7563
NSN 6240-00-925-4662
NSN 5910-01-383-7135
NSN 6220-01-534-6695
NSN 6145-01-531-8916
NSN 6105-00-995-4528