| 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) | 00-238-9183 (002389183) |
| NCB Code | USA (00) |
| Manufacturer | Helwig Carbon Products Inc, Lockheed Martin Corporation, Louis Allis |
| MRC | Criteria | Characteristic |
|---|---|---|
| AABU | SHUNT POSITION DESIGNATOR | 2 |
| AAQL | BODY STYLE | RECTANGULAR COMMUTATOR |
| ABGL | WIDTH | 0.496 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| ABNM | THICKNESS | 0.246 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| ABRY | LENGTH | 0.968 INCHES MINIMUM AND 1.032 INCHES MAXIMUM |
| AHXP | BRUSH SHUNT LENGTH | 2.500 INCHES MINIMUM SINGLE SHUNT AND 2.625 INCHES MAXIMUM SINGLE SHUNT |
| AHXR | TERMINAL SLOT WIDTH | 0.156 INCHES NOMINAL |
| BTHR | TOP STYLE | FLAT WITH LEFT EDGE BEVELED |
| CQGT | CONTACT FACE STYLE | FLAT |
| CRBG | SHUNT INSULATION PROVISION AND QUANTITY | 1 UNINSULATED |
| MATT | MATERIAL | ELECTROGRAPHITIC |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SPEER CARBON CO,GR E23 MFR REF SINGLE MATERIAL RESPONSE |
| STYL | STYLE DESIGNATOR | ONE PIECE |
| TTQY | TERMINAL TYPE AND QUANTITY | 1 STRAIGHT W/SLOT |
| Relevant Components for NSN - 5977-00-238-9183, 5977002389183 | ||||
| 5998-00-296-4216 (5998002964216) | 5915-00-078-1818 (5915000781818) | 5935-01-009-1946 (5935010091946) | 5935-01-253-8244 (5935012538244) | |
| 5935-00-666-1819 (5935006661819) | 5950-00-075-0957 (5950000750957) | 5999-01-064-4357 (5999010644357) | 5961-01-065-8073 (5961010658073) | |
| 5935-00-941-8990 (5935009418990) | 5998-01-386-1255 (5998013861255) | 5950-00-149-5129 (5950001495129) | 5905-01-591-7266 (5905015917266) | |
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