AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Brake Drum |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3040 Miscellaneous Power Transmission Equipment |
| National Item Identification Number (NIIN) | 00-923-0895 (009230895) |
| NCB Code | USA (00) |
| Manufacturer | Raytheon Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 3.000 INCHES NOMINAL |
| ABTB | MOUNTING HOLE DIAMETER | 0.086 INCHES NOMINAL |
| ABTJ | MOUNTING HOLE QUANTITY | 2 |
| ADGA | OVERALL OUTSIDE DIAMETER | 1.010 INCHES NOMINAL |
| ADYT | CENTER HOLE DIAMETER | 0.139 INCHES NOMINAL |
| ALXY | MOUNTING HOLE SPACING | EQUALLY SPACED ON 7,000 IN. BOLT CIRCLE |
| ANNQ | MATERIAL AND LOCATION | STEEL,CORROSION RESISTING OVERALL |
| AYPQ | BRAKING SURFACE LOCATION | INTERNAL |
| AYQA | BRAKING SURFACE DIAMETER | 0.940 INCHES NOMINAL |
| AYQB | BRAKING SURFACE WIDTH | 0.188 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 - 3040-00-923-0895, 3040009230895 | ||||
| 3030-01-334-1538 (3030013341538) | 3040-01-309-7521 (3040013097521) | 3040-01-044-7153 (3040010447153) | 3040-00-393-3384 (3040003933384) | |
| 3040-00-949-5777 (3040009495777) | 3020-00-528-4648 (3020005284648) | 3040-01-140-4186 (3040011404186) | 3040-01-220-9945 (3040012209945) | |
| 3020-01-433-7173 (3020014337173) | 3030-00-528-6759 (3030005286759) | 3020-00-379-6579 (3020003796579) | 3030-01-713-7100 (3030017137100) | |
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