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 6650-01-110-2142
NSN 4140-00-868-8907
NSN 6650-00-565-9266
NSN 6610-00-419-7844
NSN 6320-00-433-2773
NSN 5950-01-015-8858
NSN 5996-00-425-7481
NSN 5905-01-615-2904
NSN 5950-01-158-3765
NSN 5950-01-617-2288
NSN 5996-01-412-3038
NSN 6610-01-562-0846