| MRC | Criteria | Characteristic |
|---|
| AAMA | MOUNTING HOLE DIAMETER | 0.160 INCHES |
| AAQL | BODY STYLE | BARRIER TYPE |
| ABCS | TERMINAL ROW QUANTITY | 2 |
| ABCT | CENTER TO CENTER DISTANCE BETWEEN TERMINALS | 0.380 INCHES |
| ABCU | DISTANCE BETWEEN TERMINAL ROW CENTERS | 0.310 INCHES |
| ABCX | BOARD CONSTRUCTION | SOLID CONSTRUCTION |
| ABGN | BOARD OVERALL LENGTH | 3.672 INCHES |
| ABGP | BOARD OVERALL WIDTH | 0.880 INCHES |
| ABGQ | BOARD OVERALL HEIGHT | 0.460 INCHES |
| ABGR | BOARD HEIGHT EXCLUDING TERMINALS | 0.460 INCHES |
| ABGS | BASE THICKNESS | 0.330 INCHES |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| CQCZ | TERMINAL CONNECTING LINK QUANTITY | 8 SINGLE |
| CRNL | NONFEEDTHRU TERMINAL TYPE | 857 SINGLE |
| CSCR | TERMINAL CONNECTING LINK TYPE | 2 SINGLE |
| CSCS | NONFEEDTHRU TERMINAL QUANTITY | 8 SINGLE |
| CWLG | TERMINAL PATTERN ARRANGEMENT | MULTI-ROW |
| CWLN | TERMINAL DESIGN | LINKED NONFEEDTHRU |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | MILITARY CLASS TERMINAL BLOCK |
| FEAT | SPECIAL FEATURES | MADE FROM GRADE F PLASTIC - MAX. TEMPERATURE RATING 155 DEG. C PER MIL-M-14 |
| MATT | MATERIAL | COPPER ALLOY TERMINALS |
| MATT | MATERIAL | PLASTIC BOARD |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-321 FED SPEC 1ST MATERIAL RESPONSE TERMINALS AND QQ-B-613 FED SPEC 2ND MATERIAL RESPONSE TERMINALS |
| SFTT | SURFACE TREATMENT | NICKEL TERMINALS |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE TERMINALS |
| AAMA | MOUNTING HOLE DIAMETER | 0.160 INCHES |
| AAQL | BODY STYLE | BARRIER TYPE |
| ABCS | TERMINAL ROW QUANTITY | 2 |
| ABCT | CENTER TO CENTER DISTANCE BETWEEN TERMINALS | 0.380 INCHES |
| ABCU | DISTANCE BETWEEN TERMINAL ROW CENTERS | 0.310 INCHES |
| ABCX | BOARD CONSTRUCTION | SOLID CONSTRUCTION |
| ABGN | BOARD OVERALL LENGTH | 3.672 INCHES |
| ABGP | BOARD OVERALL WIDTH | 0.880 INCHES |
| ABGQ | BOARD OVERALL HEIGHT | 0.460 INCHES |
| ABGR | BOARD HEIGHT EXCLUDING TERMINALS | 0.460 INCHES |
| ABGS | BASE THICKNESS | 0.330 INCHES |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| CQCZ | TERMINAL CONNECTING LINK QUANTITY | 8 SINGLE |
| CRNL | NONFEEDTHRU TERMINAL TYPE | 857 SINGLE |
| CSCR | TERMINAL CONNECTING LINK TYPE | 2 SINGLE |
| CSCS | NONFEEDTHRU TERMINAL QUANTITY | 8 SINGLE |
| CWLG | TERMINAL PATTERN ARRANGEMENT | MULTI-ROW |
| CWLN | TERMINAL DESIGN | LINKED NONFEEDTHRU |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | MILITARY CLASS TERMINAL BLOCK |
| FEAT | SPECIAL FEATURES | MADE FROM GRADE F PLASTIC - MAX. TEMPERATURE RATING 155 DEG. C PER MIL-M-14 |
| MATT | MATERIAL | COPPER ALLOY TERMINALS |
| MATT | MATERIAL | PLASTIC BOARD |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-321 FED SPEC 1ST MATERIAL RESPONSE TERMINALS AND QQ-B-613 FED SPEC 2ND MATERIAL RESPONSE TERMINALS |
| SFTT | SURFACE TREATMENT | NICKEL TERMINALS |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE TERMINALS |