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:
Item: tough abs construction withstands 7 foot drop to concrete, padded fold-down abs handle, abs snap latches, abs snap latches, venting latches equalizewhen opening and seal when closed, pressure equalization valve allows easy opening after altitude or temperature change, full-length hinge, padlock loops and two front latches secure contents, optional user configurable pluck foam filling or instrument panel mounting ring, interlocks in stacks with same or mixed sizes.