| 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) | 00-503-9506 (005039506) |
| NCB Code | USA (00) |
| Manufacturer | Ambac International Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABGL | WIDTH | 0.156 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 0.750 INCHES NOMINAL |
| ABMZ | DIAMETER | 1.125 INCHES NOMINAL |
| ADAV | OVERALL DIAMETER | 1.750 INCHES NOMINAL |
| ALGC | MOUNTING CONFIGURATION | ONE 0.026 IN. DIA MTG HOLE LOCATED ON TOP ON VERTICAL CENTER LINE TWO 0.033 IN. DIA MTG HOLES,ONE HOLE LOCATED 35 DEG TO LEFT OF TOP VERTICAL CENTER LINE,ONE HOLE LOCATED 20 DEG TO RIGHT OF BOTTOM VERTICAL CENTER LINE |
| BLKM | CONTACT RING QUANTITY | 2 |
| SFTT | SURFACE TREATMENT | SILVER RING |
| ZZZV | FSC APPLICATION DATA | DEAD RECKONING TRACER |
| Relevant Components for NSN - 5977-00-503-9506, 5977005039506 | ||||
| 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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