| MRC | Criteria | Characteristic |
|---|
| AAMA | MOUNTING HOLE DIAMETER | 0.160 INCHES |
| AAPB | DIELECTRIC WITHSTANDING VOLTAGE IN VOLTS | 3300.0 |
| AAQL | BODY STYLE | BARRIER TYPE |
| ABCT | CENTER TO CENTER DISTANCE BETWEEN TERMINALS | 0.375 INCHES |
| ABCX | BOARD CONSTRUCTION | SOLID CONSTRUCTION |
| ABDU | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 0.375 INCHES |
| ABDW | DISTANCE FROM BOTTOM EDGE OF TERMINAL BOARD TO CENTER OF MOUNTING HOLE | 0.281 INCHES |
| ABDX | DISTANCE FROM LEFT EDGE OF TERMINAL BOARD TO CENTER OF FIRST MOUNTING FACILITY | 0.070 INCHES |
| ABGN | BOARD OVERALL LENGTH | 2.547 INCHES |
| ABGP | BOARD OVERALL WIDTH | 0.875 INCHES |
| ABGQ | BOARD OVERALL HEIGHT | 0.462 INCHES |
| ABGR | BOARD HEIGHT EXCLUDING TERMINALS | 0.462 INCHES |
| ABGS | BASE THICKNESS | 0.328 INCHES |
| AGAV | END ITEM IDENTIFICATION | LADDER, ACCOM. |
| AMPS | CURRENT RATING IN AMPS | 15.0 |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| CRNL | NONFEEDTHRU TERMINAL TYPE | 857 SINGLE |
| CSCS | NONFEEDTHRU TERMINAL QUANTITY | 5 SINGLE |
| CWLG | TERMINAL PATTERN ARRANGEMENT | SINGLE ROW |
| CWLN | TERMINAL DESIGN | NONFEEDTHRU |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | 37TB - MILITARY CLASS (MIL-T-55164/1) TERMINAL BLOCK |
| FEAT | SPECIAL FEATURES | RATED (MAX) VOLTAGE: 300 VOLTS; MOLDED IN TERMINAL AND MOUNTING PLATES |
| MATT | MATERIAL | COPPER ALLOY TERMINALS |
| MATT | MATERIAL | PLASTIC BOARD |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613 FED SPEC SINGLE 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 |
| AAPB | DIELECTRIC WITHSTANDING VOLTAGE IN VOLTS | 3300.0 |
| AAQL | BODY STYLE | BARRIER TYPE |
| ABCT | CENTER TO CENTER DISTANCE BETWEEN TERMINALS | 0.375 INCHES |
| ABCX | BOARD CONSTRUCTION | SOLID CONSTRUCTION |
| ABDU | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 0.375 INCHES |
| ABDW | DISTANCE FROM BOTTOM EDGE OF TERMINAL BOARD TO CENTER OF MOUNTING HOLE | 0.281 INCHES |
| ABDX | DISTANCE FROM LEFT EDGE OF TERMINAL BOARD TO CENTER OF FIRST MOUNTING FACILITY | 0.070 INCHES |
| ABGN | BOARD OVERALL LENGTH | 2.547 INCHES |
| ABGP | BOARD OVERALL WIDTH | 0.875 INCHES |
| ABGQ | BOARD OVERALL HEIGHT | 0.462 INCHES |
| ABGR | BOARD HEIGHT EXCLUDING TERMINALS | 0.462 INCHES |
| ABGS | BASE THICKNESS | 0.328 INCHES |
| AGAV | END ITEM IDENTIFICATION | LADDER, ACCOM. |
| AMPS | CURRENT RATING IN AMPS | 15.0 |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| CRNL | NONFEEDTHRU TERMINAL TYPE | 857 SINGLE |
| CSCS | NONFEEDTHRU TERMINAL QUANTITY | 5 SINGLE |
| CWLG | TERMINAL PATTERN ARRANGEMENT | SINGLE ROW |
| CWLN | TERMINAL DESIGN | NONFEEDTHRU |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | 37TB - MILITARY CLASS (MIL-T-55164/1) TERMINAL BLOCK |
| FEAT | SPECIAL FEATURES | RATED (MAX) VOLTAGE: 300 VOLTS; MOLDED IN TERMINAL AND MOUNTING PLATES |
| MATT | MATERIAL | COPPER ALLOY TERMINALS |
| MATT | MATERIAL | PLASTIC BOARD |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE TERMINALS |
| SFTT | SURFACE TREATMENT | NICKEL TERMINALS |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE TERMINALS |