| Item Name | Brush Electrical Contact |
| Federal Supply Group (FSG) | Electrical and Electronic Equipment Components |
| Federal Supply Class (FSC) | 5977 Electrical Contact Brushes and Electrodes |
| National Item Identification Number (NIIN) | 00-251-3020 (002513020) |
| NCB Code | USA (00) |
| Manufacturer | Rockwell Collins Aerospace, Zenith Radio Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AABU | SHUNT POSITION DESIGNATOR | 5 |
| AAQL | BODY STYLE | RECTANGULAR COMMUTATOR |
| ABGG | RADIUS | 0.484 INCHES NOMINAL |
| ABGL | WIDTH | 0.302 INCHES NOMINAL |
| ABNM | THICKNESS | 0.187 INCHES NOMINAL |
| ABRY | LENGTH | 0.625 INCHES NOMINAL |
| AGEK | SPRING FREE LENGTH | 0.938 INCHES NOMINAL |
| AGWM | LARGEST OUTSIDE DIAMETER | 0.250 INCHES NOMINAL |
| AHXP | BRUSH SHUNT LENGTH | 0.938 INCHES NOMINAL SINGLE SHUNT |
| CQGT | CONTACT FACE STYLE | CONCAVE |
| CRBG | SHUNT INSULATION PROVISION AND QUANTITY | 1 UNINSULATED |
| CRWQ | PRESSURE SPRING TYPE AND QUANTITY | 1 CYLINDRICAL |
| MATT | MATERIAL | METAL GRAPHITE |
| STYL | STYLE DESIGNATOR | ONE PIECE |
| TTQY | TERMINAL TYPE AND QUANTITY | 1 ROUND CAP W/EARS |
| Components Related to NSN - 5977-00-251-3020, 5977002513020 | ||||
| 5950-00-782-4837 (5950007824837) | 5905-01-053-5779 (5905010535779) | 5962-01-037-6404 (5962010376404) | 5995-01-204-1471 (5995012041471) | |
| 5970-01-146-4146 (5970011464146) | 5975-01-393-2233 (5975013932233) | 5999-01-420-7755 (5999014207755) | 5910-00-826-2725 (5910008262725) | |
| 5998-01-303-6935 (5998013036935) | 5935-01-273-2470 (5935012732470) | 5935-01-172-3967 (5935011723967) | 5999-01-176-2149 (5999011762149) | |
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