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 6150-00-840-9424
NSN 5925-00-462-5506
NSN 5930-01-031-0548
NSN 6650-00-510-3786
NSN 6145-00-960-6277
NSN 5835-00-419-0575
NSN 5855-01-568-0387
NSN 5999-00-177-3383
NSN 6105-00-273-1106
NSN 5910-00-972-0226
NSN 6685-00-702-5498
NSN 5855-00-586-6255