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) | 00-503-9487 (005039487) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Martin Corporation, Gyro Systems Co Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABGL | WIDTH | 0.219 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 2.156 INCHES NOMINAL |
| ABMZ | DIAMETER | 3.188 INCHES NOMINAL |
| ADAV | OVERALL DIAMETER | 4.156 INCHES NOMINAL |
| ALGC | MOUNTING CONFIGURATION | THREE 0.156 IN. DIA MTG HOLES,COUNTERSUNK TO 0.250 IN. DIA,SPACED 120 DEG APART ON A 3.750 IN. BOLT CIRCLE |
| BLKM | CONTACT RING QUANTITY | 6 |
| ZZZV | FSC APPLICATION DATA | COMPASS,GYRO |
| Relevant Components for NSN - 5977-00-503-9487, 5977005039487 | ||||
| 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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