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 5920-01-463-9238
NSN 5915-00-542-2179
NSN 6135-01-433-2062
NSN 6645-00-922-0886
NSN 5915-01-307-8854
NSN 6620-00-064-3598
NSN 5895-01-058-7456
NSN 5960-01-102-2438
NSN 6150-01-384-3112
NSN 4140-00-228-3661
NSN 6110-00-596-9124
NSN 5855-00-361-0167