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 6240-01-102-1555
NSN 6135-01-582-5987
NSN 6645-01-413-0515
NSN 5910-01-160-8773
NSN 5925-00-655-1956
NSN 6150-01-433-3233
NSN 6150-01-283-3309
NSN 6110-01-479-3893
NSN 5930-01-088-6712
NSN 6135-00-062-5080
NSN 5915-01-501-5895
NSN 6240-01-085-3403