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 6135-00-377-9165
NSN 5975-01-550-9752
NSN 5925-01-623-3615
NSN 5996-00-050-4288
NSN 6620-00-986-9627
NSN 5910-01-262-4015
NSN 6110-01-338-6746
NSN 5895-00-904-2640
NSN 5935-01-564-1166
NSN 6620-01-278-8028
NSN 6145-01-023-1526
NSN 6645-01-082-0518