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 6650-01-578-8176
NSN 2925-00-486-8640
NSN 5975-01-393-8359
NSN 5999-01-246-3474
NSN 5998-01-427-8462
NSN 5996-01-486-5412
NSN 5895-01-259-5643
NSN 6610-01-193-2169
NSN 2925-01-570-8065
NSN 6150-01-088-2480
NSN 6220-01-417-4394
NSN 5855-01-074-3335