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 6240-00-044-4279
NSN 7035-01-054-7988
NSN 5910-01-501-0652
NSN 2925-01-118-5191
NSN 5998-01-116-3499
NSN 6685-00-853-1427
NSN 5855-01-468-1431
NSN 6145-01-272-7558
NSN 4140-01-323-4279
NSN 5855-00-560-0110
NSN 7035-01-048-7122
NSN 5998-00-369-7285