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:
Aluminum alloy 6061-t6 (alt: qq-a-225/b temper t6); all surface roughness designations apply before protective coat; all dimensions apply after protective coat except as noted; all surface have finish; edges & fillets shown; apply anoidic coat mil-a-8625 type ii, cl2 (black); interpret drawing iaw mil-std-12 , mil-std-10, mil-std-8, mil-std-130; for complete detail refer to drawing