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:
Finish anodize in accordance with mil-a-8625; type iii class 2, 002 thick, color black except that the type iii coating is to pass the corrosion test of paragraph 4.5.3 after 15.000 hours of exposure coating to contain low friction fillers and sealer; dimensions apply after finish; entrance ends of tapped holes shall be countersunk 80 degrees-100 degrees included angle and .02-.05 larger die than the major diameter of the thread
