| 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) | 00-366-1221 (003661221) |
| NCB Code | USA (00) |
| Manufacturer | Helwig Carbon Products Inc, General Motors Corp, Carbon Graphite Group Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AABU | SHUNT POSITION DESIGNATOR | 2 AND 8 |
| AAQL | BODY STYLE | RECTANGULAR COMMUTATOR |
| ABGL | WIDTH | 1.312 INCHES NOMINAL |
| ABNM | THICKNESS | 0.625 INCHES NOMINAL |
| ABRY | LENGTH | 2.562 INCHES NOMINAL |
| AHXP | BRUSH SHUNT LENGTH | 4.125 INCHES NOMINAL ALL SHUNTS |
| AHXR | TERMINAL SLOT WIDTH | 0.281 INCHES NOMINAL |
| BTHR | TOP STYLE | BEVELED FRONT |
| CQGT | CONTACT FACE STYLE | BEVELED |
| CQPY | BEVEL ANGLE | 30.0 DEGREES NOMINAL |
| CRBG | SHUNT INSULATION PROVISION AND QUANTITY | 2 INSULATED |
| CRMK | ANGLE | 15.0 DEGREES NOMINAL |
| MATT | MATERIAL | ELECTROGRAPHITIC |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | HELWIG GRADE H44 MFR REF SINGLE MATERIAL RESPONSE |
| STYL | STYLE DESIGNATOR | ONE PIECE |
| TTQY | TERMINAL TYPE AND QUANTITY | 1 STRAIGHT W/SLOT |
| Relevant Components for NSN - 5977-00-366-1221, 5977003661221 | ||||
| 5930-01-201-0344 (5930012010344) | 5935-00-733-6624 (5935007336624) | 5935-01-670-0032 (5935016700032) | 5935-01-238-8280 (5935012388280) | |
| 5945-00-772-0597 (5945007720597) | 5998-01-470-7299 (5998014707299) | 5998-01-450-1035 (5998014501035) | 5995-01-305-0350 (5995013050350) | |
| 5935-01-438-9012 (5935014389012) | 5998-01-080-8351 (5998010808351) | 5998-01-518-1172 (5998015181172) | 5935-01-141-2602 (5935011412602) | |
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