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 6110-00-988-4592
NSN 6220-01-225-7830
NSN 5905-01-155-7786
NSN 5855-01-485-4327
NSN 6610-00-330-6634
NSN 5990-01-354-6255
NSN 5855-01-236-9645
NSN 5915-01-513-6786
NSN 6685-00-113-8949
NSN 5950-00-275-2842
NSN 2925-01-111-2927
NSN 7035-01-424-7019