Ribbed with spurs on inner surface
A washer with one surface shaped to fit a similarly curved surface, the other surface of the washer being either parallel with the shaped surface or in the form of raised boss having either a flat bearing surface or a recess designed for holding a nut. Excludes washer (1), concave and washer (1), convex.
Classification: Washers other than lock washers, iron or steel
NSN 6150-00-496-5480
NSN 6220-01-536-0591
NSN 7035-00-155-9513
NSN 5915-00-394-6523
NSN 4140-01-284-3198
NSN 5925-00-451-2061
NSN 5950-00-741-2811
NSN 5998-01-518-1979
NSN 6620-00-553-8854
NSN 5835-01-004-8997
NSN 6610-00-051-4139
NSN 6150-01-181-0086