| 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) | 01-180-8558 (011808558) |
| NCB Code | USA (01) |
| Manufacturer | General Motors Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABTB | MOUNTING HOLE DIAMETER | 0.516 INCHES NOMINAL |
| ABTJ | MOUNTING HOLE QUANTITY | 6 |
| ADYT | CENTER HOLE DIAMETER | 4.601 INCHES NOMINAL |
| ALXY | MOUNTING HOLE SPACING | EQUALLY SPACED ON 6 IN. BOLT CIRCLE |
| AYPQ | BRAKING SURFACE LOCATION | INTERNAL |
| AYQA | BRAKING SURFACE DIAMETER | 14.007 INCHES NOMINAL |
| AYQB | BRAKING SURFACE WIDTH | 3.000 INCHES NOMINAL |
| Relevant Components for NSN - 2530-01-180-8558, 2530011808558 | ||||
| 2590-01-571-5943 (2590015715943) | 2510-01-514-4168 (2510015144168) | 2530-00-792-3224 (2530007923224) | 2510-01-165-0897 (2510011650897) | |
| 2590-01-288-3945 (2590012883945) | 2510-01-183-8327 (2510011838327) | 2520-01-675-4462 (2520016754462) | 2530-01-523-0442 (2530015230442) | |
| 2540-01-547-9930 (2540015479930) | 2541-01-600-1911 (2541016001911) | 2520-01-248-4172 (2520012484172) | 2510-01-672-0333 (2510016720333) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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