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 5950-00-230-9387
NSN 6650-01-538-6898
NSN 6610-01-027-1641
NSN 6685-01-253-5298
NSN 5985-01-217-5596
NSN 6145-01-406-6333
NSN 5910-01-352-0917
NSN 6110-01-466-5338
NSN 6240-01-613-5801
NSN 5999-00-960-3262
NSN 5975-00-234-6779
NSN 5945-00-681-0320