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) | 00-488-8316 (004888316) |
| NCB Code | USA (00) |
| Manufacturer | Landoll Corporation, Bendix Corp, Mendenhall Industries Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 1.750 INCHES NOMINAL |
| ABTB | MOUNTING HOLE DIAMETER | 0.312 INCHES NOMINAL |
| ABTJ | MOUNTING HOLE QUANTITY | 6 |
| ADGA | OVERALL OUTSIDE DIAMETER | 6.312 INCHES NOMINAL |
| ADYT | CENTER HOLE DIAMETER | 2.000 INCHES NOMINAL |
| ALXY | MOUNTING HOLE SPACING | EQUALLY SPACED ON 0.750 BOLT CIRCLE |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| AYPQ | BRAKING SURFACE LOCATION | INTERNAL |
| AYQA | BRAKING SURFACE DIAMETER | 6.000 INCHES NOMINAL |
| AYQB | BRAKING SURFACE WIDTH | 1.625 INCHES NOMINAL |
| 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 |
| Relevant Components for NSN - 2530-00-488-8316, 2530004888316 | ||||
| 2540-01-620-3654 (2540016203654) | 2590-01-181-6747 (2590011816747) | 2520-00-560-1325 (2520005601325) | 2530-01-394-1815 (2530013941815) | |
| 2540-01-525-1204 (2540015251204) | 2530-00-419-8742 (2530004198742) | 2520-01-103-9397 (2520011039397) | 2510-01-517-3991 (2510015173991) | |
| 2530-01-683-6760 (2530016836760) | 2590-01-575-2288 (2590015752288) | 2520-01-443-2971 (2520014432971) | 2510-01-585-7758 (2510015857758) | |
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