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:
All characters medium condensed, aspect can vary (text 0.065, 0.115, 0.120, 0.125, 0.150, 0.185 and 0.200 high); single line legends are centered horizontally and vertically; material and finish, stainless steel, grade .302 s25 hard rolled, 0.004 (0.1) thick chemically etchced and blackened (px-3 blackening salts a22613); packaging and marking, individual items in sealed bags , labeled with part number bags packed in plastic boxes, labeled with cage code, part number, quantity, batch number and clin number
MRC:
Test conditions and ratings,or environmental and performance requirements that are different,more critical,or more specific than those specified in a governing test data document.SPCL
Special Test Features:
Eequipment is intended for installation in a pressurized compartment of an aircraft, material and finish properties will not be affected by exposure to the following equipment and conditions, ambient aircraft temperature, negative 54 degrees celsius to 71 degrees with a continuous operational temperature of up to 170 degrees celsius, humidity, altitude, shock, vibration sand anddust, fungus, salt atmosphere, solvent resistance and abrasion resistance
