Number 10, black oxide
No other part numbers with same form, fit, and function found.
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 5950-01-541-4022
NSN 7035-01-243-8523
NSN 5835-00-838-0707
NSN 5920-01-440-9829
NSN 5910-01-234-9798
NSN 6650-01-024-9554
NSN 5930-01-500-2799
NSN 7035-01-202-8172
NSN 5998-01-540-4767
NSN 6130-01-542-6713
NSN 4140-01-189-0217
NSN 5998-00-146-3853