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:
Steel 1020 sub: od 8853; all surface roughness designations apply before protective coat; all dimensions apply before protective coat; except as noted; all surfaces have finish; edges & fillets; mil-p-16232; interpret dimensions, etc. Iaw mil-std-12, mil-std-10, miil-std-8, mil-std-130; thread; for complete details review drawing