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:
					
					
						Kit includes:  instructions,  330-030 screw 1,  330-035 washer 1,  510-008 o-ring 2,  510-010 o-ring 1,  510-029 o-ring 1,  510-260 view port o-ring 1,  510-450 neck ring o-ring 1,  510-490 o-ring 1,  510-504 neoprene medium neck dam 1,  510-550 oral nasal valve 1,  510-575 nose block pad 1,  510-625 water dump shroud 1,  510-682 head cushion 1,  510-683 chin coushion 1,  510-747 oral nasal mask 1,  515-033 communication set 1,  520-042 tie wrap 1,  525-309 regulator rebuild kit 1,  525-311 side block rebuild kit 1,  525-755 tri-valve exhaust kit 1,  530-035 screw 2,  530-045 screw 1,  530-061 spacer 2,  and 550-122 spring spacer 1.