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:
Quart size; use on latex, rubber, neoprene, epdm seals, weather-stripping; wet/dry suits, bubber roofs, vinyl, hypalon, urethane vinyl awnings, clear vinyl, convertible tops, tonneaus, car bars, spa covers, pool covers, inflatable boats and more
MRC:
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.SUPP
Supplementary Features:
Repels dust, soiling and staining; protects against uv and ozone deterioration; not for textiles, unfinished leathers or floors
