| Item Name | Ring Assembly 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) | 00-542-7958 (005427958) |
| NCB Code | USA (00) |
| Manufacturer | Essner Precision Manufacturing Llc, Harris Corporation, General Reliance Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABGL | WIDTH | 0.156 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 0.375 INCHES NOMINAL |
| ABMZ | DIAMETER | 5.750 INCHES NOMINAL |
| ADAV | OVERALL DIAMETER | 5.875 INCHES NOMINAL |
| ALGC | MOUNTING CONFIGURATION | SIX 0.156 IN. DIA MTG HOLES EQUALLY SPACED ON 3.125 IN. DIA BOLT CIRCLE |
| BLKM | CONTACT RING QUANTITY | 2 |
| MARK | SPECIAL MARKINGS | SYMBOL 0-4007 STAMPED ON RING MTG PLATE |
| Components Related to NSN - 5977-00-542-7958, 5977005427958 | ||||
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| 5998-01-392-3340 (5998013923340) | 5935-01-455-0919 (5935014550919) | 5935-01-087-5784 (5935010875784) | 5930-00-968-5115 (5930009685115) | |
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