AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Brake Drum |
| Federal Supply Group (FSG) | Vehicular Equipment Components |
| Federal Supply Class (FSC) | 2530 Vehicular Brake Steering Axle Wheel and Track Components |
| National Item Identification Number (NIIN) | 00-383-4913 (003834913) |
| NCB Code | USA (00) |
| Manufacturer | Nacco Materials Handling Group Inc, Navistar Intl Corp, Kelsey Hayes Company Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 2.641 INCHES NOMINAL |
| ABTB | MOUNTING HOLE DIAMETER | 0.592 INCHES MINIMUM AND 0.597 INCHES MAXIMUM |
| ABTJ | MOUNTING HOLE QUANTITY | 5 |
| ADGA | OVERALL OUTSIDE DIAMETER | 13.688 INCHES NOMINAL |
| ADYT | CENTER HOLE DIAMETER | 3.188 INCHES NOMINAL |
| AJVW | ALIGNMENT HOLE QUANTITY | 2 |
| ALXY | MOUNTING HOLE SPACING | EQUALLY SPACED ON 4.505 IN. MAX,4.500 IN. MIN,BOLT CIRCLE |
| ANNQ | MATERIAL AND LOCATION | STEEL MOUNTING DISK AND IRON,CAST WEAR SURFACE |
| AYPQ | BRAKING SURFACE LOCATION | INTERNAL |
| AYQA | BRAKING SURFACE DIAMETER | 11.995 INCHES MINIMUM AND 12.005 INCHES MAXIMUM |
| AYQB | BRAKING SURFACE WIDTH | 2.125 INCHES NOMINAL |
| AYQC | HOLE SIZE | 3/8 IN. DIA |
| AYQE | HOLE SPACING | SPACED 144 DEGS APART BETWEEN ANY TWO MTG HOLES ON 4.505 IN. MAX,4.500 IN. MIN,BOLT CIRCLE |
| AYQF | COOLING FIN | NOT INCLUDED |
| AYQH | ADJUSTMENT HOLE | NOT INCLUDED |
| AYQJ | INSPECTION HOLE | NOT INCLUDED |
| AYQK | OIL DRAIN HOLE | NOT INCLUDED |
| AYQL | BALANCING PAD | NOT INCLUDED |
| ZZZV | FSC APPLICATION DATA | VEHICULAR BRAKE,STEERING,AXLE,WHEEL AND TRACK COMPONENTS |
| Relevant Components for NSN - 2530-00-383-4913, 2530003834913 | ||||
| 2530-00-353-0449 (2530003530449) | 2541-01-529-1028 (2541015291028) | 2540-01-431-0818 (2540014310818) | 2540-01-556-4155 (2540015564155) | |
| 2520-01-335-7304 (2520013357304) | 2530-01-541-1204 (2530015411204) | 2540-01-661-4401 (2540016614401) | 2590-01-580-6660 (2590015806660) | |
| 2540-01-528-5128 (2540015285128) | 2590-01-192-9733 (2590011929733) | 2540-01-550-2497 (2540015502497) | 2590-01-419-9827 (2590014199827) | |
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