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 6685-00-555-4198
NSN 6145-01-069-5286
NSN 6685-00-425-5141
NSN 6645-01-473-9179
NSN 5996-01-076-2938
NSN 6620-01-168-4850
NSN 5960-01-231-2165
NSN 5855-00-237-4088
NSN 5975-00-065-4026
NSN 5985-01-313-6667
NSN 6110-00-350-1411
NSN 5998-00-279-4071