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 6110-01-143-5909
NSN 5985-01-523-3100
NSN 5975-00-933-8982
NSN 6135-01-054-2462
NSN 5945-01-467-2877
NSN 5905-00-774-3752
NSN 6110-01-434-7461
NSN 6110-01-180-7330
NSN 5998-00-902-9934
NSN 4140-00-247-4773
NSN 5975-01-411-1424
NSN 5945-01-474-5583