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 5935-01-562-4707
NSN 6610-00-023-0076
NSN 4140-01-394-6288
NSN 5835-00-572-7445
NSN 5975-01-180-8346
NSN 6620-01-385-6172
NSN 5915-01-455-1847
NSN 6130-01-226-5338
NSN 5999-01-132-1669
NSN 2925-01-380-0869
NSN 6685-01-563-9408
NSN 5975-01-519-3084