Used on propeller shaft plug
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 5985-01-449-0939
NSN 5950-01-479-0313
NSN 5930-01-145-6803
NSN 6150-00-123-8840
NSN 6135-00-932-3136
NSN 5975-01-582-9790
NSN 5920-01-023-0040
NSN 6685-01-513-3579
NSN 6240-01-290-5165
NSN 5999-01-397-4939
NSN 6610-01-255-4544
NSN 6240-01-457-0926