AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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) | 00-552-4511 (005524511) |
| NCB Code | USA (00) |
| Manufacturer | Navair And Navsea Managed, Ambac Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABGL | WIDTH | 0.218 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 1.281 INCHES NOMINAL |
| ABMZ | DIAMETER | 4.063 INCHES NOMINAL |
| ADAV | OVERALL DIAMETER | 4.250 INCHES NOMINAL |
| ALGC | MOUNTING CONFIGURATION | FOUR 0.128 IN. DIA MTG HOLES,0.203 IN. DIA COUNTER BORE 0.063 IN. DEEP AND COUNTERSUNK FOR NO. 4 PARKER HEAD SELFTAPPING SCREW,EQUALLY SPACED ON 1.750 IN. RADIUS |
| BLKM | CONTACT RING QUANTITY | 3 |
| SFTT | SURFACE TREATMENT | SILVER RING |
| Relevant Components for NSN - 5977-00-552-4511, 5977005524511 | ||||
| 5999-01-196-8879 (5999011968879) | 5970-00-488-9670 (5970004889670) | 5945-01-477-0491 (5945014770491) | 5999-01-364-2930 (5999013642930) | |
| 5996-01-452-4386 (5996014524386) | 5945-00-260-1626 (5945002601626) | 5998-01-130-0814 (5998011300814) | 5905-00-557-4486 (5905005574486) | |
| 5935-01-689-9407 (5935016899407) | 5980-01-504-2998 (5980015042998) | 5935-00-644-6464 (5935006446464) | 5995-01-277-3853 (5995012773853) | |
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