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 6145-01-053-8018
NSN 5895-01-388-8210
NSN 6620-01-633-8443
NSN 6240-01-608-4990
NSN 6610-01-347-3397
NSN 5950-00-568-0194
NSN 6645-00-871-1187
NSN 5965-01-617-7703
NSN 5835-00-166-9413
NSN 5925-00-299-8037
NSN 4140-01-503-4950
NSN 5935-01-290-1911