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 5990-00-766-7179
NSN 6145-00-688-5697
NSN 5855-01-109-6433
NSN 7035-00-803-3056
NSN 5855-00-337-3679
NSN 5990-01-357-6175
NSN 5960-01-283-2281
NSN 5915-01-472-9982
NSN 5975-01-060-0535
NSN 5905-00-093-0285
NSN 5895-01-560-8210
NSN 5915-01-365-2668