Rolled grooves on face of washer to denote slope
A washer having a centrally located hole and two flat bearing surfaces which are not parallel.
Classification: Washers other than lock washers, iron or steel
NSN 5998-00-877-3946
NSN 5930-00-212-8866
NSN 6130-01-351-9600
NSN 5925-01-389-4444
NSN 6110-00-891-0988
NSN 5895-01-388-1098
NSN 6620-00-399-0087
NSN 6620-01-437-8193
NSN 6645-00-336-4783
NSN 5895-00-518-4954
NSN 5905-00-071-7324
NSN 5910-01-245-6965