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) | 00-504-5428 (005045428) |
| NCB Code | USA (00) |
| Manufacturer | Arma Div |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABGL | WIDTH | 0.250 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 0.375 INCHES NOMINAL |
| ABMZ | DIAMETER | 5.188 INCHES NOMINAL |
| ABMZ | DIAMETER | 5.938 INCHES NOMINAL |
| ABMZ | DIAMETER | 6.688 INCHES NOMINAL |
| ABMZ | DIAMETER | 7.438 INCHES NOMINAL |
| ABMZ | DIAMETER | 8.188 INCHES NOMINAL |
| ADAV | OVERALL DIAMETER | 8.625 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | MK 7 MODS 3 AND 4 |
| ALGC | MOUNTING CONFIGURATION | FOUR NO. 3 (0.213) DRILL,C-BORE; 0.359 IN. DIA HOLES FOR 10-24 FILLISTER HEAD SCREWS SPACED 90 DEG ON 4.250 IN. DIA BOLT CIRCLE |
| BLKM | CONTACT RING QUANTITY | 5 |
| SFTT | SURFACE TREATMENT | SILVER RING |
| Relevant Components for NSN - 5977-00-504-5428, 5977005045428 | ||||
| 5998-01-628-9128 (5998016289128) | 5950-00-556-2628 (5950005562628) | 5910-00-502-7030 (5910005027030) | 5930-01-200-1187 (5930012001187) | |
| 5930-00-436-0040 (5930004360040) | 5998-01-022-6777 (5998010226777) | 5999-01-229-2868 (5999012292868) | 5930-00-451-8223 (5930004518223) | |
| 5980-01-237-3545 (5980012373545) | 5955-00-463-6952 (5955004636952) | 5975-01-438-5116 (5975014385116) | 5998-01-391-1476 (5998013911476) | |
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