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:
For portable panelboards: type iv, class 1, 60 ampere; assy includes: mil-c-22992, class l, 60 amperes, cable connecting receptacle connector, without coupling ring, q type 1; protective cover (cap type), q type 1; cable strain relief grip, q type 1; cable sealing gland, q type 1; portable power cable, nema type g, 4 conductor, nbr 6 awg, with not less than 259 strands per conductor; 4 grounding conductors, nbr 12 awg, with not less than 19 strands per conductor, q type 1; marking bands, q type 2; end opposite connector shall have 8 inches of the outer jacket and 1 inch of insulation removed from each conductor; dip bare conductor leads in solder; electrical power 208y/120 volt, 3-phase, 4-pole, 5-wire
MRC:
The document designator of the specification or standard which established the item of supply.ZZZK
Specification Data:
81349-mil-c-29184/8b, dtd 9 dec 91 with notice 3, dtd 17 nov 2006 which remains inactive for new design, however is valid for use government specification