| 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) | 00-557-8661 (005578661) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Martin Corporation, Northrop Grumman Systems Corporation, Titan Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AABU | SHUNT POSITION DESIGNATOR | 5 |
| AACQ | PERIPHERAL SPEED | 6000 FEET PER MINUTE |
| AAQL | BODY STYLE | RECTANGULAR COMMUTATOR |
| AAZT | SLOT DEPTH | 0.122 INCHES NOMINAL |
| ABGC | SLOT WIDTH | 0.219 INCHES NOMINAL |
| ABGG | RADIUS | 0.484 INCHES NOMINAL |
| ABGL | WIDTH | 0.371 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| ABNM | THICKNESS | 0.121 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| ABRY | LENGTH | 0.625 INCHES NOMINAL |
| AHXP | BRUSH SHUNT LENGTH | 1.000 INCHES NOMINAL SINGLE SHUNT |
| AHXQ | TERMINAL HOLE DIAMETER | 0.210 INCHES NOMINAL |
| BTHR | TOP STYLE | FLAT WITH RECTANGULAR SLOT |
| CQGT | CONTACT FACE STYLE | CONCAVE ON BEVEL |
| CRBG | SHUNT INSULATION PROVISION AND QUANTITY | 1 UNINSULATED |
| CRPH | OUTER EDGE TO SLOT EDGE DISTANCE | 0.062 INCHES NOMINAL |
| CRQC | TERMINAL BEND ANGLE | 90.0 DEGREES NOMINAL |
| MATT | MATERIAL | METAL GRAPHITE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | UNION CARBIDE CORP,GRADE AJT MFR REF SINGLE MATERIAL RESPONSE |
| STYL | STYLE DESIGNATOR | ONE PIECE |
| TTQY | TERMINAL TYPE AND QUANTITY | 1 BENT W/HOLE |
| Relevant Components for NSN - 5977-00-557-8661, 5977005578661 | ||||
| 5975-01-629-6429 (5975016296429) | 5998-01-305-2341 (5998013052341) | 5930-01-584-0809 (5930015840809) | 5962-01-210-3065 (5962012103065) | |
| 5905-00-175-4284 (5905001754284) | 5950-01-458-0903 (5950014580903) | 5920-01-490-0904 (5920014900904) | 5998-01-475-9891 (5998014759891) | |
| 5995-01-575-7529 (5995015757529) | 5962-01-310-7304 (5962013107304) | 5935-01-240-1468 (5935012401468) | 5995-01-374-0247 (5995013740247) | |
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