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 4140-01-185-1159
NSN 6650-01-275-5469
NSN 6145-00-676-7691
NSN 6320-01-345-5818
NSN 4140-00-439-4100
NSN 5915-00-201-1048
NSN 6130-01-433-3279
NSN 6620-00-999-2425
NSN 5985-01-391-4753
NSN 5950-00-911-4129
NSN 6150-00-596-9882
NSN 5895-01-318-2214