| 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) | 00-504-5411 (005045411) |
| NCB Code | USA (00) |
| Manufacturer | Arma Div |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABGL | WIDTH | 0.250 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 0.750 INCHES NOMINAL |
| ABMZ | DIAMETER | 2.187 INCHES NOMINAL |
| ADAV | OVERALL DIAMETER | 2.563 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | MK 8 MODS 3 AND 3A |
| ALGC | MOUNTING CONFIGURATION | THREE 0.297 IN. DIA MTG HOLES SPACED 120 DEG APART ON 1.687 IN. DIA BOLT HOLE CIRCLE |
| BLKM | CONTACT RING QUANTITY | 2 |
| SFTT | SURFACE TREATMENT | SILVER RING |
| Relevant Components for NSN - 5977-00-504-5411, 5977005045411 | ||||
| 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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