| 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) | 00-426-9491 (004269491) |
| NCB Code | USA (00) |
| Manufacturer | Erie Engineered Products Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 6.430 INCHES NOMINAL |
| ABTB | MOUNTING HOLE DIAMETER | 0.656 INCHES NOMINAL |
| ABTJ | MOUNTING HOLE QUANTITY | 6 |
| ADGA | OVERALL OUTSIDE DIAMETER | 14.000 INCHES NOMINAL |
| ADYT | CENTER HOLE DIAMETER | 7.000 INCHES MINIMUM AND 7.004 INCHES MAXIMUM |
| ALXY | MOUNTING HOLE SPACING | EQUALLY SPACED ON 8.245 IN. MIN,8.255 IN. MAX BOLT CIRCLE |
| ANNQ | MATERIAL AND LOCATION | IRON,CAST OVERALL |
| AYPQ | BRAKING SURFACE LOCATION | INTERNAL |
| AYQA | BRAKING SURFACE DIAMETER | 12.250 INCHES MINIMUM AND 12.255 INCHES MAXIMUM |
| AYQB | BRAKING SURFACE WIDTH | 5.625 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 - 2530-00-426-9491, 2530004269491 | ||||
| 2530-00-846-7955 (2530008467955) | 2510-01-557-5591 (2510015575591) | 2590-01-556-6773 (2590015566773) | 2520-00-570-5557 (2520005705557) | |
| 2520-00-577-4353 (2520005774353) | 2520-00-422-9975 (2520004229975) | 2530-00-927-5461 (2530009275461) | 2590-00-238-3632 (2590002383632) | |
| 2510-00-846-9598 (2510008469598) | 2530-00-678-6128 (2530006786128) | 2530-01-269-6676 (2530012696676) | 2530-01-444-0721 (2530014440721) | |
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