AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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 |
| Relevant Components for NSN - 5977-01-170-2603, 5977011702603 | ||||
| 5975-00-900-5000 (5975009005000) | 5915-00-509-2939 (5915005092939) | 5995-01-622-9763 (5995016229763) | 5930-00-188-2156 (5930001882156) | |
| 5998-01-494-7223 (5998014947223) | 5905-01-529-9031 (5905015299031) | 5950-00-519-4719 (5950005194719) | 5998-01-070-9399 (5998010709399) | |
| 5935-01-007-6384 (5935010076384) | 5940-01-609-5218 (5940016095218) | 5998-00-781-1392 (5998007811392) | 5925-01-340-5534 (5925013405534) | |
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