Top countersunk 130 degrees
A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.
Classification: Washers other than lock washers, iron or steel
NSN 5910-01-181-5677
NSN 2925-00-404-6461
NSN 6220-00-099-9192
NSN 5925-01-560-5434
NSN 5960-01-358-2832
NSN 6240-01-457-5672
NSN 6650-01-325-3747
NSN 6150-01-600-0033
NSN 5950-00-519-5393
NSN 5930-01-393-1519
NSN 5855-01-205-7030
NSN 6240-01-242-7733