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 5960-01-570-8605
NSN 5990-01-522-6096
NSN 5985-00-939-9779
NSN 5985-01-070-6636
NSN 5965-01-367-7380
NSN 6105-01-164-1264
NSN 6620-01-152-9453
NSN 6645-01-076-4655
NSN 5945-01-432-2021
NSN 5965-01-271-0808
NSN 5915-00-476-1374
NSN 6645-00-961-5477