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 | Navistar Intl Corp, Nacco Materials Handling Group Inc, 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 | ||||
| 2520-00-457-8411 (2520004578411) | 2520-00-118-5154 (2520001185154) | 2530-12-171-0832 (2530121710832) | 2510-01-438-9781 (2510014389781) | |
| 2530-01-566-9909 (2530015669909) | 2540-01-598-3017 (2540015983017) | 2590-01-585-0727 (2590015850727) | 2520-00-708-4183 (2520007084183) | |
| 2540-01-532-8868 (2540015328868) | 2530-01-118-7526 (2530011187526) | 2510-01-275-4079 (2510012754079) | 2530-01-521-7899 (2530015217899) | |
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