Downloaded from https://www.everyspec.com APPENDIX C MIL-STD-31000A Permissible values for the parameter identifier AN ANalytical representation CL CLosed element CR Curvature Radius DC Degenerate Curve DP Degenerate Point EG EDge gap EM EMbedded elements FG FraGmented FO FOlded element FR FRee element or face HD excessively High Degree IK Indistinct Knots IC Item data Consistency IS InterSection IT Inconsistent Topology LG Large Gap MU MUltiple elements NA NArrow element NM Non-Manifold NS Non-Smooth curvature between elements (G2 discontinuity) NT Non-Tangent angle between elements (G1 discontinuity) OU Over-Used element RN Relatively Narrow SA Sharp Angle TI TIny elements UN UNused elements VF View Frames VO VOid WV WaVy element Proposed extensions DA Different element Attribute DE Different element Enclosure DL Different element Location DO Different element Orientation DR Different element coloR DS Different Size DT Different Type DV DeViant element LS Large Size MI Missing element MR MeRged element NG Non-Graphical SE Sewn element SP Split element TE Tiny element Enclosure TO Tiny Offset element TX Tiny convex element UM UnMatched element US UnSewn element UV UnViewed element 69