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 6130-01-222-4258
NSN 6105-01-102-4425
NSN 4140-01-253-9165
NSN 6685-00-998-8061
NSN 5895-00-254-0534
NSN 6220-01-296-8217
NSN 5999-01-033-9345
NSN 5998-00-251-6208
NSN 5855-01-213-0783
NSN 4140-00-073-9186
NSN 6135-01-567-0739
NSN 5990-01-417-4402