MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Rivet: length max: 0.586 inch; grip range, min: 0.359 inch, max 0.453 inch; material, sleeve: 2014-t4 alum alloy per qq-a-430 (code h); spindle: 7075-t6 alum alloy per qq-a-430; finish, sleeve: clear anodize per mil-a-8625, lubricate as necessary to insure proper function (code a), spindle: yellow anodize per mil-a-8625 or chemical film per mil-c-5541, lubricate as necessary to insure proper function; rivet size normal diameter: 0.156 inch, shank diameter: 0.156 inch