| 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 | ||||
| 5980-01-127-9290 (5980011279290) | 5930-01-333-3189 (5930013333189) | 5998-01-566-8414 (5998015668414) | 5962-01-414-8707 (5962014148707) | |
| 5905-01-156-4926 (5905011564926) | 5970-01-662-0059 (5970016620059) | 5945-01-327-8772 (5945013278772) | 5905-01-020-1453 (5905010201453) | |
| 5962-01-112-3586 (5962011123586) | 5998-00-042-9502 (5998000429502) | 5999-01-020-7611 (5999010207611) | 5905-00-499-6434 (5905004996434) | |
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