Special Features:

Heat treatment 180.000-200.000 psi uts per mil-h-6875 except that tempering temperature must be 700 degrees f; interchangeable per military i 8500; protective coating ivd aluminum per mil-c-83488 class 2. Type ii, or ams 2427-5; glass bead blast after plating; plating thinkness apply after bead blast; hardness check per ai-445; all dementions apply after plating.

Properties:

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.