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 5915-00-209-9769
NSN 5996-00-473-5283
NSN 5910-01-376-2932
NSN 6620-01-177-5567
NSN 7035-01-146-7096
NSN 5965-01-589-3968
NSN 5985-01-316-0537
NSN 6150-01-156-8264
NSN 5975-01-234-6747
NSN 5965-00-356-3838
NSN 5950-00-596-7020
NSN 5985-01-415-0274