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 5895-01-154-6479
NSN 6150-01-047-3437
NSN 5930-01-611-1977
NSN 6620-01-179-9737
NSN 6130-01-534-2275
NSN 5999-00-025-9311
NSN 5965-01-214-6225
NSN 5960-00-883-8183
NSN 6645-01-449-1452
NSN 6220-00-242-1492
NSN 5990-01-255-7387
NSN 5910-00-576-7068