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 5999-01-570-5568
NSN 6220-01-038-1404
NSN 6135-01-196-7399
NSN 5990-00-772-9277
NSN 5920-01-442-6756
NSN 5905-01-321-3558
NSN 6220-00-410-8315
NSN 4140-00-245-0799
NSN 6105-00-052-6958
NSN 6150-00-202-9150
NSN 6685-00-053-1063
NSN 5895-01-445-7107