| 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) | 01-170-2603 (011702603) |
| NCB Code | USA (01) |
| Manufacturer | Helwig Carbon Products Inc, Pacific Scientific Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| AABU | SHUNT POSITION DESIGNATOR | 1 |
| AAQL | BODY STYLE | RECTANGULAR COMMUTATOR |
| ABGG | RADIUS | 1.094 INCHES NOMINAL |
| ABGL | WIDTH | 1.246 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| ABNM | THICKNESS | 0.307 INCHES MINIMUM AND 0.311 INCHES MAXIMUM |
| ABRY | LENGTH | 1.250 INCHES NOMINAL |
| AHXP | BRUSH SHUNT LENGTH | 2.750 INCHES NOMINAL ALL SHUNTS |
| AHXR | TERMINAL SLOT WIDTH | 0.198 INCHES NOMINAL |
| BTHR | TOP STYLE | FLAT |
| CQGT | CONTACT FACE STYLE | CONCAVE |
| CRBG | SHUNT INSULATION PROVISION AND QUANTITY | 2 UNINSULATED |
| MATT | MATERIAL | ELECTROGRAPHITIC |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | HELWIG CARBON GRADE 633 MFR REF SINGLE MATERIAL RESPONSE |
| STYL | STYLE DESIGNATOR | ONE PIECE |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 BENT W/SLOT |
| Components Related to NSN - 5977-01-170-2603, 5977011702603 | ||||
| 5905-00-837-8595 (5905008378595) | 5999-01-545-2960 (5999015452960) | 5977-00-038-2232 (5977000382232) | 5915-00-106-2867 (5915001062867) | |
| 5975-01-574-3976 (5975015743976) | 5999-01-243-9840 (5999012439840) | 5935-01-092-4809 (5935010924809) | 5962-01-480-9313 (5962014809313) | |
| 5998-01-543-3095 (5998015433095) | 5935-01-075-7203 (5935010757203) | 5930-01-092-4088 (5930010924088) | 5961-01-309-1613 (5961013091613) | |
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