| 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) | 00-927-7221 (009277221) |
| NCB Code | USA (00) |
| Manufacturer | Tuthill Corporation, Caterpillar Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 6.500 INCHES NOMINAL |
| ABTB | MOUNTING HOLE DIAMETER | 0.531 INCHES NOMINAL |
| ABTJ | MOUNTING HOLE QUANTITY | 29 |
| ADGA | OVERALL OUTSIDE DIAMETER | 25.689 INCHES MINIMUM AND 25.699 INCHES MAXIMUM |
| ADYT | CENTER HOLE DIAMETER | 22.022 INCHES MINIMUM AND 22.032 INCHES MAXIMUM |
| ALXY | MOUNTING HOLE SPACING | HOLES SPACED 12 DEG EXCEPT ONE 24 DEG SPACE |
| ANNQ | MATERIAL AND LOCATION | IRON,CAST OVERALL |
| AYPQ | BRAKING SURFACE LOCATION | INTERNAL |
| AYQA | BRAKING SURFACE DIAMETER | 22.022 INCHES MINIMUM AND 22.032 INCHES MAXIMUM |
| AYQB | BRAKING SURFACE WIDTH | 6.500 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 - 2530-00-927-7221, 2530009277221 | ||||
| 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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