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) | 00-863-5599 (008635599) |
| NCB Code | USA (00) |
| Manufacturer | Durable Metal Products Co, Dayton Walther Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| ALXY | MOUNTING HOLE SPACING | EQUALLY SPACED ON 5.496 IN. MIN;,5.504 IN. MAX BOLT HOLE CIRCLE |
| AYQH | ADJUSTMENT HOLE | NOT INCLUDED |
| AYQJ | INSPECTION HOLE | NOT INCLUDED |
| ABMK | OVERALL WIDTH | 3.000 INCHES NOMINAL |
| ABTB | MOUNTING HOLE DIAMETER | 0.625 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| ABTJ | MOUNTING HOLE QUANTITY | 5 |
| ADGA | OVERALL OUTSIDE DIAMETER | 10.375 INCHES NOMINAL |
| ADYT | CENTER HOLE DIAMETER | 4.157 INCHES MINIMUM AND 4.160 INCHES MAXIMUM |
| ANNQ | MATERIAL AND LOCATION | STEEL MOUNTING DISK AND IRON,CAST WEAR SURFACE |
| AYPQ | BRAKING SURFACE LOCATION | INTERNAL |
| AYQA | BRAKING SURFACE DIAMETER | 8.995 INCHES MINIMUM AND 9.000 INCHES MAXIMUM |
| AYQB | BRAKING SURFACE WIDTH | 2.000 INCHES NOMINAL |
| AYQF | COOLING FIN | NOT INCLUDED |
| AYQK | OIL DRAIN HOLE | NOT INCLUDED |
| FEAT | SPECIAL FEATURES | W/SLOT FOR FEELER GAGE |
| AYQL | BALANCING PAD | NOT INCLUDED |
| Relevant Components for NSN - 2530-00-863-5599, 2530008635599 | ||||
| 2590-01-052-6847 (2590010526847) | 2510-01-281-1116 (2510012811116) | 2530-00-350-8646 (2530003508646) | 2510-01-526-2063 (2510015262063) | |
| 2520-01-312-0300 (2520013120300) | 2510-01-219-2265 (2510012192265) | 2510-00-734-8172 (2510007348172) | 2530-01-589-4640 (2530015894640) | |
| 2530-01-416-3864 (2530014163864) | 2530-01-420-9975 (2530014209975) | 2540-01-546-8673 (2540015468673) | 2530-01-632-5150 (2530016325150) | |
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