| 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) | 00-503-9479 (005039479) |
| NCB Code | USA (00) |
| Manufacturer | Arma Div |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABGL | WIDTH | 0.141 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 1.562 INCHES MAXIMUM |
| ABMZ | DIAMETER | 4.125 INCHES MAXIMUM |
| ADAV | OVERALL DIAMETER | 4.250 INCHES NOMINAL |
| ALGC | MOUNTING CONFIGURATION | FOUR 0.125 IN. DIA MTG HOLES EQUALLY SPACED ON 3.500 IN. DIA BOLT CIRCLE |
| BLKM | CONTACT RING QUANTITY | 4 |
| BLKN | RING SURFACE MATERIAL | BRASS |
| FEAT | SPECIAL FEATURES | TWO METAL RINGS 3.000 IN. MAX ID IN CENTER OF ASSEMBLY INTERCONNECTED TO OUTER COLLECTER RINGS |
| ZZZV | FSC APPLICATION DATA | COMPASS,GYRO |
| Components Related to NSN - 5977-00-503-9479, 5977005039479 | ||||
| 5935-00-534-4504 (5935005344504) | 5910-01-255-4867 (5910012554867) | 5940-00-084-0929 (5940000840929) | 5945-00-359-1339 (5945003591339) | |
| 5935-01-520-3306 (5935015203306) | 5905-01-455-3379 (5905014553379) | 5998-01-206-9170 (5998012069170) | 5955-01-394-4366 (5955013944366) | |
| 5995-01-317-9687 (5995013179687) | 5935-01-432-6626 (5935014326626) | 5905-01-041-2537 (5905010412537) | 5935-01-019-6106 (5935010196106) | |
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