Counterbore 1.000 in. Diameter by 0.075 in. Deep
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: Cotters, cotter-pins, washers and similar articles, of aluminum
NSN 5930-01-050-4787
NSN 5950-00-074-3291
NSN 6145-00-246-2424
NSN 5996-01-096-8721
NSN 5920-01-396-6159
NSN 6650-00-518-5194
NSN 5925-01-376-4459
NSN 6685-00-926-4337
NSN 6320-01-501-7935
NSN 6620-01-356-2374
NSN 5975-00-233-6301
NSN 5895-00-588-1300